rate

rate¹

R0051300 (rāt)n.1. A quantity measured with respect to another measured quantity: a rate of speed of 60 miles an hour.2. A measure of a part with respect to a whole; a proportion: the mortality rate; a tax rate.3. The cost per unit of a commodity or service: postal rates.4. A charge or payment calculated in relation to a particular sum or quantity: interest rates.5. Level of quality.6. often rates Chiefly British A locally assessed property tax.v. rat·ed, rat·ing, rates v.tr.1. a. To place in a particular class, rank, or grade: rated the film PG13; rated the bonds at junk level. See Synonyms at estimate.b. To specify the performance limits of, especially according to a standard scale: This fuse is rated at 50 amperes. The fishing line is rated for 30 pounds.2. To regard or consider as having a certain value: rated the movie excellent; rated him a fine cook.3. Chiefly British To value for purposes of taxation.4. To set a rate for (goods to be shipped).5. Informal To merit or deserve: people that rate special treatment; an idea that rates attention. See Synonyms at earn.v.intr.1. To be ranked in a particular class: a wine that rates higher than any other.2. Informal To have status, importance, or influence: Tea-flavored ice cream doesn't rate highly in my book.Idiom: at any rate1. Whatever the case may be; in any case: You should at any rate apologize.2. Used to indicate a revision or correction to a previous remark: We were delighted, or at any rate satisfied, with the results.

[Middle English, from Old French, from Medieval Latin rata, proportion, short for Latin (prō) ratā (parte), (according to a) fixed (part), from feminine ablative past participle of rērī, to consider, reckon; see ar- in Indo-European roots.]

rate²

R0051300 (rāt)v. rat·ed, rat·ing, rates Archaic v.tr. To berate.v.intr. To express reproof.

[Middle English raten, perhaps of Scandinavian origin.]

rate

(reɪt) n1. a quantity or amount considered in relation to or measured against another quantity or amount: a rate of 70 miles an hour. 2. (Commerce) a. a price or charge with reference to a standard or scale: rate of interest; rate of discount. b. (as modifier): a rate card. 3. (Commerce) a charge made per unit for a commodity, service, etc4. See rates5. the relative speed of progress or change of something variable; pace: he works at a great rate; the rate of production has doubled. 6. a. relative quality; class or gradeb. (in combination): first-rate ideas. 7. (Statistics) statistics a measure of the frequency of occurrence of a given event, such as births and deaths, usually expressed as the number of times the event occurs for every thousand of the total population considered8. (Economics) a wage calculated against a unit of time9. (Horology) the amount of gain or loss of a timepiece10. at any rate in any case; at all events; anywayvb (mainly tr) 11. (also intr) to assign or receive a position on a scale of relative values; rank: he is rated fifth in the world. 12. to estimate the value of; evaluate: we rate your services highly. 13. to be worthy of; deserve: this hotel does not rate four stars. 14. to consider; regard: I rate him among my friends. 15. Brit to assess the value of (property) for the purpose of local taxation16. slang to think highly of: the clients do not rate the new system. [C15: from Old French, from Medieval Latin rata, from Latin prō ratā parte according to a fixed proportion, from ratus fixed, from rērī to think, decide]

rate

(reɪt) vb (tr) to scold or criticize severely; rebuke harshly[C14: perhaps related to Swedish rata to chide]

rate¹

(reɪt)

n., v. rat•ed, rat•ing. n. 1. the amount of a charge or payment with reference to some basis of calculation: a high rate of interest on loans. 2. a certain amount of one thing considered in relation to a unit of another thing: at the rate of 60 miles an hour. 3. a fixed charge per unit of quantity: a rate of 10 cents a pound. 4. degree of speed or progress: to work at a rapid rate. 5. assigned position in any of a series of graded classes; rating. 6. the premium charge per unit of insurance. 7. a charge by a common carrier for transportation. 8. a wage paid on a specified time basis: an hourly rate. v.t. 9. to estimate the value or worth of; appraise. 10. to esteem, consider, or account: He is rated a fine writer. 11. to fix at a certain rate, as of charge or payment. 12. to value for purposes of taxation or the like. 13. to make subject to the payment of a certain rate or tax. 14. to place in a certain rank or class, as a ship or a sailor. v.i. 15. to have value or standing: a performance that didn't rate very high. Idioms: at any rate, a. in any event; in any case. b. at least. [1375–1425; late Middle English rate monetary value, estimated amount < Medieval Latin rata < Latin (prō) ratā (parte) (according to) an estimated (part)]

rate²

(reɪt)

v.t., v.i. rat•ed, rat•ing. to chide vehemently. [1350–1400; Middle English (a)raten, perhaps < Scandinavian] rat′er, n.

rate

Past participle: rated
Gerund: rating

Imperative
rate
rate

Present
I rate
you rate
he/she/it rates
we rate
you rate
they rate

Preterite
I rated
you rated
he/she/it rated
we rated
you rated
they rated

Present Continuous
I am rating
you are rating
he/she/it is rating
we are rating
you are rating
they are rating

Present Perfect
I have rated
you have rated
he/she/it has rated
we have rated
you have rated
they have rated

Past Continuous
I was rating
you were rating
he/she/it was rating
we were rating
you were rating
they were rating

Past Perfect
I had rated
you had rated
he/she/it had rated
we had rated
you had rated
they had rated

Future
I will rate
you will rate
he/she/it will rate
we will rate
you will rate
they will rate

Future Perfect
I will have rated
you will have rated
he/she/it will have rated
we will have rated
you will have rated
they will have rated

Future Continuous
I will be rating
you will be rating
he/she/it will be rating
we will be rating
you will be rating
they will be rating

Present Perfect Continuous
I have been rating
you have been rating
he/she/it has been rating
we have been rating
you have been rating
they have been rating

Future Perfect Continuous
I will have been rating
you will have been rating
he/she/it will have been rating
we will have been rating
you will have been rating
they will have been rating

Past Perfect Continuous
I had been rating
you had been rating
he/she/it had been rating
we had been rating
you had been rating
they had been rating

Conditional
I would rate
you would rate
he/she/it would rate
we would rate
you would rate
they would rate

Past Conditional
I would have rated
you would have rated
he/she/it would have rated
we would have rated
you would have rated
they would have rated

Thesaurus

Noun	1.	rate - a magnitude or frequency relative to a time unit; "they traveled at a rate of 55 miles per hour"; "the rate of change was faster than expected"magnitude relation, quantitative relation - a relation between magnitudesacceleration - (physics) a rate of increase of velocitydeceleration - (physics) a rate of decrease in velocityattrition rate, rate of attrition - the rate of shrinkage in size or numberbirth rate, birthrate, fertility, fertility rate, natality - the ratio of live births in an area to the population of that area; expressed per 1000 population per yearbits per second, bps - (computer science) the rate at which data is transferred (as by a modem)crime rate - the ratio of crimes in an area to the population of that area; expressed per 1000 population per yeardata rate - the rate at which circuits or other devices operate when handling digital informationdeath rate, deathrate, fatality rate, mortality rate, mortality - the ratio of deaths in an area to the population of that area; expressed per 1000 per yeardose rate - the quantity of radiation absorbed per unit timeerythrocyte sedimentation rate, ESR, sed rate, sedimentation rate - the rate at which red blood cells settle out in a tube of blood under standardized conditions; a high rate usually indicates the presence of inflammationflow rate, rate of flow, flow - the amount of fluid that flows in a given timeflux - the rate of flow of energy or particles across a given surfacefrequence, frequency, oftenness - the number of occurrences within a given time period; "the frequency of modulation was 40 cycles per second"; "the frequency of his seizures increased as he grew older"Gc, GHz, gigacycle, gigacycle per second, gigahertz - 1,000,000,000 periods per secondgrowth rate, rate of growth - the rate of increase in size per unit timecycle per second, cycles/second, hertz, Hz, cps, cycle - the unit of frequency; one hertz has a periodic interval of one secondinflation rate, rate of inflation - the rate of change of prices (as indicated by a price index) calculated on a monthly or annual basisjerk - (mechanics) the rate of change of accelerationkc, kHz, kilocycle, kilocycle per second, kilohertz - one thousand periods per secondkilometers per hour, kilometres per hour, km/h, kph - the ratio of the distance traveled (in kilometers) to the time spent traveling (in hours)Mc, megacycle, megacycle per second, megahertz, MHz - one million periods per secondterahertz, THz - one trillion periods per secondmetabolic rate - rate of metabolism; the amount of energy expended in a give periodmiles per hour, mph - the ratio of the distance traveled (in miles) to the time spent traveling (in hours)gait, pace - the rate of moving (especially walking or running)heart rate, pulse rate, pulse - the rate at which the heart beats; usually measured to obtain a quick evaluation of a person's healthrate of return - the amount returned per unit of time expressed as a percentage of the costrate of respiration, respiratory rate - the rate at which a person inhales and exhales; usually measured to obtain a quick evaluation of a person's healthrev, revolutions per minute, rpm - rate of revolution of a motor; "the engine was doing 6000 revs"sampling rate - (telecommunication) the frequency of sampling per unit timesolar constant - the rate at which radiant solar energy is received at the outer layer of the earth's atmospherespacing - the time between occurrences of a repeating event; "some women do not control the spacing of their children"speed, velocity - distance travelled per unit timetempo, pace - the rate of some repeating eventwords per minute, wpm - the rate at which words are produced (as in speaking or typing)
	2.	rate - amount of a charge or payment relative to some basis; "a 10-minute phone call at that rate would cost $5"charge per unitpay rate, rate of pay - amount of money received per unit time; "women's pay rate is lower than men's"installment rate, payment rate, rate of payment, repayment rate - the amount of money paid out per unit timecharge - the price charged for some article or service; "the admission charge"tax rate - rate used to calculate tax liabilityinterest rate, rate of interest - the percentage of a sum of money charged for its usefreight rate, freightage, freight - the charge for transporting something by common carrier; "we pay the freight"; "the freight rate is usually cheaper"depreciation rate, rate of depreciation - the rate at which the value of property is reduced; used to calculate tax deductionexchange rate, rate of exchange - the charge for exchanging currency of one country for currency of anotherexcursion rate - a reduced rate for a round-trip ticketfootage - a rate of charging by the linear foot of work donelinage, lineage - a rate of payment for written material that is measured according to the number of lines submittedroom rate - the rate charged daily for a hotel room
	3.	rate - the relative speed of progress or change; "he lived at a fast pace"; "he works at a great rate"; "the pace of events accelerated"pacetemporal property - a property relating to timefastness, swiftness, speed - a rate (usually rapid) at which something happens; "the project advanced with gratifying speed"beat - a regular rate of repetition; "the cox raised the beat"celerity, rapidity, rapidness, speediness, quickness - a rate that is rapiddeliberateness, unhurriedness, slowness, deliberation - a rate demonstrating an absence of haste or hurrysluggishness - the pace of things that move relatively slowly; "the sluggishness of the economy"; "the sluggishness of the compass in the Arctic cold"
	4.	rate - a quantity or amount or measure considered as a proportion of another quantity or amount or measure; "the literacy rate"; "the retention rate"; "the dropout rate"proportion - the quotient obtained when the magnitude of a part is divided by the magnitude of the whole
Verb	1.	rate - assign a rank or rating to; "how would you rank these students?"; "The restaurant is rated highly in the food guide"grade, rank, place, range, ordersuperordinate - place in a superior order or rank; "These two notions are superordinated to a third"shortlist - put someone or something on a short listseed - distribute (players or teams) so that outstanding teams or players will not meet in the early roundsreorder - assign a new order tosubordinate - rank or order as less important or consider of less value; "Art is sometimes subordinated to Science in these schools"prioritise, prioritize - assign a priority to; "we have too many things to do and must prioritize"sequence - arrange in a sequencedowngrade - rate lower; lower in value or esteemupgrade - rate higher; raise in value or esteempass judgment, evaluate, judge - form a critical opinion of; "I cannot judge some works of modern art"; "How do you evaluate this grant proposal?" "We shouldn't pass judgment on other people"
	2.	rate - be worthy of or have a certain rating; "This bond rates highly"be - have the quality of being; (copula, used with an adjective or a predicate noun); "John is rich"; "This is not a good answer"
	3.	rate - estimate the value of; "How would you rate his chances to become President?"; "Gold was rated highly among the Romans"valuerevalue - value anew; "revalue the German Mark"appraise, assess, evaluate, valuate, value, measure - evaluate or estimate the nature, quality, ability, extent, or significance of; "I will have the family jewels appraised by a professional"; "access all the factors when taking a risk"

rate

¹noun1. speed, pace, tempo, velocity, time, measure, gait, frequency The rate at which hair grows can be agonisingly slow.2. degree, standard, scale, proportion, percentage, ratio bank accounts paying above the average rate of interest3. charge, price, cost, fee, tax, figure, dues, duty, hire, toll, tariff specially reduced ratesverb1. evaluate, consider, rank, reckon, class, value, measure, regard, estimate, count, grade, assess, weigh, esteem, classify, appraise, adjudge The film was rated excellent by 90 per cent of children.2. (Slang) think highly of, value, respect, admire, esteem It's flattering to know other clubs seem to rate me.3. deserve, merit, be entitled to, be worthy of, be deserving of, have a claim to Her attire did not rate a second glance.at any rate in any case, anyway, nevertheless, anyhow, at all events Well, at any rate, let me thank you for all you did.

rate¹

verb1. To make a judgment as to the worth or value of:appraise, assay, assess, calculate, estimate, evaluate, gauge, judge, size up, valuate, value.Idiom: take the measure of.2. To assign to a class or classes:categorize, class, classify, distribute, grade, group, pigeonhole, place, range, rank.3. Informal. To acquire as a result of one's behavior or effort:deserve, earn, gain, get, merit, win.

rate²

verbTo reprimand loudly or harshly:bawl out, berate.Informal: tell off.Idioms: give hell to, give it to.

Translations

比率率被评价评估费用

rate

(reit) noun1. the number of occasions within a given period of time when something happens or is done. a high (monthly) accident rate in a factory.率2. the number or amount of something (in relation to something else); a ratio. There was a failure rate of one pupil in ten in the exam.比率3. the speed with which something happens or is done. He works at a tremendous rate; the rate of increase/expansion. 速度，速率 4. the level (of pay), cost etc (of or for something). What is the rate of pay for this job? 费用，价格 5. (usually in plural) a tax, especially, in United Kingdom, paid by house-owners etc to help with the running of their town etc. （英国）房地产税地方税 verb to estimate or be estimated, with regard to worth, merit, value etc. I don't rate this book very highly; He doesn't rate very highly as a dramatist in my estimation. 对...评价，被评价 ˈrating noun1. (usually in plural) the position of importance, popularity etc (of a person, thing etc). This television programme has had some very bad ratings recently.等级2. an ordinary sailor, as opposed to an officer. 水手，船员 at this/that rate if this or if that is the case; if this or if that continues. He says that he isn't sure whether we'll be allowed to finish, but at that rate we might as well not start. 这样的话/或那样的话 rate of exchange the relative values of the currencies of two or more countries. I want to change some dollars into francs – what is the rate of exchange?兑换率

rate

→ 比率zhCN, 评估zhCN

What's the exchange rate? → 汇率是多少？
What is the rate for ... to ...? → ...兑换成...的汇率是多少？

rate

[rāt] the speed or frequency with which an event or circumstance occurs per unit of time, population, or other standard of comparison.adjusted rate a fictitious summary rate statistically adjusted to remove the effect of a variable, such as age or sex, to permit unbiased comparison between groups having different compositions with respect to these variables. See also rate" >crude rate and rate" >specific rate.attack rate in the analysis of acute outbreaks of disease, the proportion of persons who are exposed to the disease during the outbreak who do become ill.basal metabolic rate an expression of the rate at which oxygen is utilized in a fasting subject at complete rest as a percentage of a value established as normal for such a subject. Abbreviated BMR.birth rate the number of live births in a geographic area in a defined period, usually one year, relative to some specified population. For the crude birth rate, it is the average total population or the midyear population in the area during the period. Specific birth rates for subsets of the population may also be calculated, for example, an age-specific birth rate is limited to the population of females of a defined age range.case fatality rate the number of deaths due to a specific disease as compared to the total number of cases of the disease.crude rate one giving the total number of events occurring in an entire population over a period of time, without reference to any of the individuals or subgroups within the population. See also rate" >adjusted rate and rate" >specific rate.death rate the number of deaths in a certain period of time divided by the total of a given population. The crude death rate is the ratio of the number of deaths in a geographic area in one year divided by the average population in the area during the year. The age-specific death rate is the ratio of the number of deaths occurring in a specified age group to the average population of that group. The cause-specific death rate is the ratio of the number of deaths due to a specified cause to the average total population. Called also mortality rate.

Historic example of death rates (per 100,000) for leading causes of death for men aged 25–44 years. From Centers for Disease Control and Prevention: Morbidity and Mortality Weekly Report 42:483, 1993.DEF rate an expression of dental caries experienced in primary teeth, calculated by adding number of those requiring filling (D), decayed teeth requiring extraction (E), and those that have already been successfully filled (F); missing primary teeth are not included in the calculation.DMF rate an expression of the condition of the permanent teeth based on the number of teeth decayed, missing (or indicated for removal), and filled or bearing restorations. It is calculated by adding the number of carious permanent teeth requiring filling (D), carious ones requiring extraction (Mr), ones previously extracted because of caries (Mp), and permanent teeth (F).dose rate the amount of any therapeutic agent administered per unit of time.erythrocyte sedimentation rate (ESR) see erythrocyte sedimentation rate.fatality rate the rate" >death rate in a specific group of persons simultaneously affected by some event or circumstances, such as a natural disaster.fertility rate a measure of fertility in a defined population over a specified period of time, usually one year; particularly the rate" >general fertility rate, but also including more specific rates such as those for females of a given parity or a particular age range or that describing the completed rate for females who have finished childbearing.fetal death rate the ratio of the number of fetal deaths in one year to the total number of both live births and fetal deaths in that year.five-year survival rate an expression of the number of survivors with no trace of a given disease five years after each has been diagnosed or treated for the disease.flow rate flow (def. 2).forced expiratory flow rate forced expiratory flow.general fertility rate the most widely used measure of fertility; the number of live births in a geographic area in a year per 1000 women of childbearing age, which is usually defined as age 15 to 44 years.glomerular filtration rate an expression of the quantity of glomerular filtrate formed each minute in the nephrons of both kidneys, calculated by measuring the clearance of specific substances, e.g., inulin or creatinine.growth rate an expression of the increase in size of an organic object per unit of time.heart rate the number of contractions of the cardiac ventricles per unit of time (usually per minute).incidence rate the risk of developing a particular disease during a given period of time; the numerator of the rate is the number of new cases during the specified time period and the denominator is the population at risk during the period. Compare prevalence r.infant mortality rate the ratio of the number of deaths in one year of children less than one year of age to the number of live births in that year.intrinsic rate in pacing" >cardiac pacing terminology, the heart rate unaided by an pacemaker" >artificial pacemaker, expressed in beats per minute (bpm). See also length" >cycle length.maternal mortality rate a rate in which the numerator is the number of maternal deaths ascribed to puerperal causes in one year; the number of live births in that year is often used as the denominator, although to make a true rate the denominator should be the number of pregnancies (live births plus fetal deaths). Called also puerperal mortality rate.maximal expiratory flow rate (MEFR) maximal expiratory flow.maximal midexpiratory flow rate (MMFR) maximal midexpiratory flow.mendelian rate an expression of the numerical relations of the occurrence of distinctly contrasted mendelian characteristics in succeeding generations of hybrid offspring.metabolic rate an expression of the amount of oxygen consumed by the body cells.morbidity rate an inexact term that can mean either the rate" >incidence rate or the rate" >prevalence rate.mortality rate death rate.neonatal mortality rate the ratio of the number of deaths in one year of children less than 28 days of age to the number of live births in that year.paced rate in pacing" >cardiac pacing terminology, the rate of pulses of an pacemaker" >artificial pacemaker, expressed as pulses per minute (ppm). See also length" >cycle length.perinatal mortality rate the ratio of the number of the sum of fetal deaths after 28 or more weeks of gestation (stillbirths) and deaths of infants less than 7 days of age in one time period and population to the sum of the number of live births and fetal deaths after 28 or more weeks of gestation (stillbirths) in that same time period and population.postneonatal mortality rate the ratio of the number of deaths in a given year of children between the 28th day of life and the first birthday relative to the difference between the number of the live births and neonatal deaths in that year; the denominator is sometimes simplified, less correctly, to the number of live births. The ratio is sometimes approximated as the difference between the infant mortality rate and the neonatal mortality rate.prevalence rate the number of people in a population who have a disease at a given time; the numerator is the number of existing cases of disease at a specified time and the denominator is the total population. Time may be a point or a defined interval, and is traditionally the former if unspecified. Compare incidence r.puerperal mortality rate maternal mortality r.pulse rate the rate of the pulse, measured as number of pulsations in an artery per unit of time; normally between 60 and 80 per minute in an adult.respiration rate the number of inhalations and exhalations per unit of time, usually measured by observation of chest movements and averaging 16 to 20 per minute in an adult.sedimentation rate the rate at which a sediment is deposited in a given volume of solution, especially when subjected to the action of a centrifuge; see also erythrocyte sedimentation rate.slew rate in pacing" >cardiac pacing, the rate, expressed in units of mV/msec, at which an R wave reaches peak amplitude; it represents the maximum rate of change of amplifier output voltage.specific rate a rate that applies to a specific demographic subgroup, e.g., individuals of a specific age, sex, or race, giving the total number of events in relation only to that subgroup. See also rate" >adjusted rate and rate" >crude rate.stillbirth rate fetal death rate.

rate

(rāt), 1. A record of the measurement of an event or process in terms of its relation to some fixed standard; measurement is expressed as the ratio of one quantity to another (for example, velocity, distance per unit of time), or concentration formed per unit time. 2. A measure of the frequency of an event in a defined population; the components of a rate are: the numerator (number of events); the denominator (population at risk of experiencing the event); and the specified time in which the events occur. [L. ratum, a reckoning (see ratio)]

rate

The number of events divided by the period of time over which they occur. See Average payment rate, Basal metabolic rate, Basic pacing rate, Baud rate, Case rate, Composite rate, Erythrocyte sedimentation rate, False negative rate, False positive rate, Fetal heart rate, Glomerular filtration rate, Graft survival rate, Growth rate, Heart rate, Instantaneous rate, Minute volume & respiration rate, Platelet production rate, Pulse rate, Respiratory rate, Secondary attack rate, Sedimentation rate, Slew rate, Success rate, Urinary flow rate, Upper rate Epidemiology An expression of the frequency with which an event–eg, disease or death–occurs in a defined population. See Adjusted community death rate, Age-adjusted death rate, Age/sex rate, Basic reproduction rate, Birth rate, Cause-fatality rate, Cause-specific mortality rate, Crude birth rate, Crude death rate, Crude mortality rate, Death rate, Fertility rate, Fetal mortality rate, Hospital mortality rate, Incidence rate, Infant mortality rate, Maternal mortality rate, Morbidity rate, Mortality rate, Neonatal mortality rate, Postneonatal mortality rate, Prevalence rate, Rate-specific mortality rate, Sex-specific mortality rate, Total fertility rate. Cf Ratio.

rate

(rāt) 1. A measurement of an event or process in terms of its relation to some fixed standard; expressed as the ratio of one quantity to another (e.g., velocity, distance per unit of time). 2. A measure of the frequency of an event in a defined population; the components of a rate are: the numerator (number of events); the denominator (population at risk of experiencing the event); the specified time in which the events occur; and usually a multiplier, a power of 10, which makes it possible to express the rate as a whole number. [L. ratum, a reckoning]

rate

(rat) [L. rata, calculated] The speed or frequency of occurrence of an event, usually expressed with respect to time or some other known standard.

acquisition rate

In radiology, the speed with which medical images are recorded, usually expressed in images per second.

attack rate

The rate of occurrence of new cases of a disease.

basal metabolic rate

Abbreviation: BMR
The metabolic rate as measured 12 hr after eating, after a restful sleep, with no exercise or activity preceding testing, with elimination of emotional excitement, and at a comfortable temperature. It is usually expressed in terms of kilocalories per square meter of body surface per hour. It increases, for example, in hyperthyroidism. Synonym: resting energy expenditure

baseline fetal heart rate

Abbreviation: FHR
The average range of beats per minute recorded within a 10-min time frame. The normal range is between 120 and 160 beats per minute.

birth rate

The number of live births per 1000 in the population in a given year.

case rate

Morbidity rate.

case fatality rate

The percentage of individuals afflicted with an illness who die as a result of it.

concordance rate

The frequency with which a gene will be inherited or expressed by identical or fraternal twins.

death rate

The number of deaths in a specified population, usually expressed per 100,000 population over a given period, usually 1 year. Synonym: death-to-case ratio; mortality rate

delivery rate

In assisted reproduction technology, the number of newborn deliveries achieved in every one hundred follicular aspirations, embryo transfers, or stimulated cycles.

dose rate

The quantity of medicine or radiation administered per unit of time.

erythrocyte sedimentation rate

Abbreviation: ESR
See: sedimentation rate

false-negative rate

The rate of occurrence of negative test results in those who have the attribute or disease for which they are being tested.

false-positive rate

The rate of occurrence of positive test results in those who do not have the attribute or disease for which they are being tested.

fertility rate

The number of births per year per 1000 women between ages 15 and 44 in a given population.

fetal mortality rate

The number of fetal deaths per 1000 live births, usually per year.

growth rate

The rate at which an individual, tissue, or organ grows over time.

heart rate

Abbreviation: HR
The number of heartbeats per unit of time, usually expressed or written as number per minute. A normal resting heart rate for an adult is 60–100 beats per minute.

infant mortality rate

The number of deaths per year of live-born infants less than 1 year of age divided by the number of live births in the same year. This value is usually expressed as deaths per 100,000 live births. See: neonatal mortality rate; perinatal mortality rate

infusion rate

The speed of administration of a solution in mL/hr.

CAUTION!

It is calculated by the following formula: Rate = (Dose × 60 × Body weight)/Concentration, in which the dose is in mcg/kg/min; 60 is in min/hr; weight is in kg; and the concentration of the substance in solution is in mcg/mL.

CAUSES OF MATERNAL DEATH

maternal mortality rate

The number of maternal deaths in 1 year from puerperal causes (such as those associated with pregnancy, childbirth, and the puerperium) within 42 days after delivery divided by the number of live births in that same year. This value is usually expressed as deaths per 100,000 live births. See: illustration

maximum midexpiratory flow rate

Abbreviation: MMFR
The average airflow during the middle half of a forced vital capacity effort.

metabolic rate

The rate of utilization of energy. This is usually measured at a time when the subject is completely at rest and in a fasting state. Energy used is calculated from the amount of oxygen used during the test. See: basal metabolic rate; basal metabolism

morbidity rate

The number of cases per year of certain diseases in relation to the size of the population in which they occur. Synonym: case rate

mortality rate

Death rate.

neonatal mortality rate

The number of deaths in 1 year of infants aged 0 to 28 days divided by the number of live births in that same year. See: maternal mortality rate; perinatal mortality rate

peak expiratory flow rate

The maximum rate of exhalation during a forced expiration, measured in liters per second or liters per minute. It is used as a test of airway obstruction.

perinatal mortality rate

The number of stillbirths (in which the gestation period was 28 weeks or more) in the first 7 days of life divided by the number of live births plus stillbirths in the same year. This value is usually expressed as deaths per 100,000 live births plus stillbirths. See: infant mortality rate; neonatal mortality rate

periodontal disease rate

See: periodontal (Ramfjord) index

pulse rate

The number of heartbeats per unit of time that can be detected by palpating any accessible artery.

respiration rate

The number of breaths per unit of time.

sedimentation rate

Abbreviation: ESR (erythrocyte sedimentation rate)
A nonspecific laboratory test used as a marker of inflammation. In this test the speed at which erythrocytes settle out of unclotted blood is measured. Blood to which an anticoagulant has been added is placed in a long, narrow tube, and the distance the red cells fall in 1 hr is the ESR. Normally it is less than 10 mm/hr in men and slightly higher in women.

The speed at which the cells settle depends on how many red blood cells clump together. Clumping is increased by the presence of acute-phase proteins released during inflammation.

specific absorption rate

The rate at which electromagnetic energy is absorbed by a kilogram of tissue, usually expressed as the heat absorbed by the tissue, or as the power absorbed per unit of mass.

ventilation rate

Abbreviation: VR
The number of breaths per minute.

rate

(rāt) 1. Record of measurement of an event or process in terms of its relation to some fixed standard; expressed as ratio of one quantity to another or concentration formed per unit time. 2. Measure of frequency of an event in a defined population. [L. ratum, a reckoning]

Patient discussion about rate

Q. What is the rate of alcoholism in the USA compared to the rest of the world? What is the rate of alcoholism in the USA compared to other countries in the world. I don't mean amount of alcohol consumed, but alcohol addiction/dependency. Links to your sources would be appreciated. Cheers! (pun intended)A. here is a link to a CDC table about drinking hobbits of Americans:
http://www.cdc.gov/nchs/data/hus/hus07.pdf#068
here is an article about it, and it gives good links also:
http://www.articlesbase.com/self-help-articles/alcoholism-statistics-enlightening-experience-for-everyone-540401.html

Q. where would i find list of all the "clean" cities and the rates of air pollution ...? A. i don't know about a list of "good" cities, but i know a list of the worse cities for Asthmatic people!-
http://www.webmd.com/asthma/news/20050215/americas-worst-asthma-cities

Q. I was wondering the rate at which alcohol induces brain damage. I am not an alcoholic and I use to drink only on weekends. I was wondering the rate at which alcohol induces brain damage; I know that over some years, damage occurs, but does anything happen after a month of drinking on weekends?A. HI WAYLON;just want to add my two cents here,EVERYTIME YOU TAKE A DRINK IT KILLS BRAIN CELL,I CANT TILL YOU HOW MANY---mrfoot56

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