| 释义 |
indicator
in·di·ca·tor I0104900 (ĭn′dĭ-kā′tər)n.1. One that indicates, especially:a. A pointer or an index.b. An instrument used to monitor the operation or condition of an engine, furnace, electrical network, reservoir, or other physical system; a meter or gauge.c. The needle, dial, or other registering device on such an instrument.2. Chemistry Any of various substances, such as litmus or phenolphthalein, that indicate the presence, absence, or concentration of another substance or the degree of reaction between two or more substances by means of a characteristic change, especially in color.3. Ecology An indicator species.4. Any of various statistical values that together provide an indication of the condition or direction of the economy.indicator (ˈɪndɪˌkeɪtə) n1. something that provides an indication, esp of trends. See economic indicator2. (Mechanical Engineering) a device to attract attention, such as the pointer of a gauge or a warning lamp3. (Mechanical Engineering) an instrument that displays certain operating conditions in a machine, such as a gauge showing temperature, speed, pressure, etc4. a. a device that records or registers something, such as the movements of a lift, or that shows information, such as arrival and departure times of trainsb. (as modifier): indicator light. 5. (Automotive Engineering) Also called: blinker a device for indicating that a motor vehicle is about to turn left or right, esp two pairs of lights that flash when operated or a pair of trafficators6. (Mechanical Engineering) Also called: dial gauge a delicate measuring instrument used to determine small differences in the height of mechanical components. It consists of a spring-loaded plunger that operates a pointer moving over a circular scale7. (Chemistry) chem a. a substance used in titrations to indicate the completion of a chemical reaction, usually by a change of colourb. a substance, such as litmus, that indicates the presence of an acid or alkali8. (Environmental Science) ecology a. a plant or animal species that thrives only under particular environmental conditions and therefore indicates these conditions where it is foundb. a species of plant or animal whose well-being confirms the well-being of other species in the areain•di•ca•tor (ˈɪn dɪˌkeɪ tər)
n. 1. a person or thing that indicates. 2. a pointing or directing device, as a pointer on the dial of a measuring instrument. 3. an instrument that indicates the condition of a machine in operation. 4. a. a substance, as litmus, that indicates the presence or concentration of a certain constituent. b. a substance often used in a titration to indicate the point at which the reaction is complete. 5. a plant or animal that indicates by its presence in a given area the existence of certain environmental conditions. [1660–70; < Medieval Latin] in·di·ca·tor (ĭn′dĭ-kā′tər) A chemical compound that changes color and structure when exposed to certain conditions and is therefore useful for chemical tests. Litmus, for example, becomes red in the presence of acids and blue in the presence of bases.indicatorIn intelligence usage, an item of information which reflects the intention or capability of a potential enemy to adopt or reject a course of action.indicator(automobile) blinkerThesaurus| Noun | 1. |  indicator - a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of timeindex number, indicant, indexfact - a statement or assertion of verified information about something that is the case or has happened; "he supported his argument with an impressive array of facts"BMI, body mass index - a measure of someone's weight in relation to height; to calculate one's BMI, multiply one's weight in pounds and divide that by the square of one's height in inches; overweight is a BMI greater than 25; obese is a BMI greater than 30business index - a statistical compilation that provides a context for economic or financial conditions; "this business index is computed relative to the base year of 2005"leading indicator - one of 11 indicators for different sections of the economy; used by the Department of Commerce to predict economic trends in the near futureprice index, price level - an index that traces the relative changes in the price of an individual good (or a market basket of goods) over timeshort account - the aggregate of short sales on an open marketstock index, stock market index - index based on a statistical compilation of the share prices of a number of representative stocks | | 2. | indicator - a signal for attracting attentionsignal, signaling, sign - any nonverbal action or gesture that encodes a message; "signals from the boat suddenly stopped"point of reference, reference point, reference - an indicator that orients you generally; "it is used as a reference for comparing the heating and the electrical energy involved" | | 3. | indicator - a device for showing the operating condition of some systemannunciator - an indicator that announces which electrical circuit has been active (as on a telephone switchboard)cursor, pointer - (computer science) indicator consisting of a movable spot of light (an icon) on a visual display; moving it allows the user to point to commands or screen positionsdevice - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"dial - the circular graduated indicator on various measuring instrumentsfuel gauge, fuel indicator - an indicator of the amount of fuel remaining in a vehiclegnomon - indicator provided by the stationary arm whose shadow indicates the time on the sundialspirit level, level - indicator that establishes the horizontal when a bubble is centered in a tube of liquidindicator lamp, pilot lamp, pilot light - indicator consisting of a light to indicate whether power is on or a motor is in operationpointer - an indicator as on a dialscale - an indicator having a graduated sequence of markstest paper - paper impregnated with an indicator for use in chemical teststidemark - indicator consisting of a line at the highwater or low-water limits of the tides | | 4. | indicator - (chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reactionchemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactionsabsorption indicator - an indicator used in reactions that involve precipitationacid-base indicator - an indicator that changes color on going from acidic to basic solutionsalpha-naphthol test, Molisch reaction, Molisch test, Molisch's test - biochemical indicator of the presence of carbohydrates in a solution; if carbohydrates are present a violet ring is formed by reaction with alpha-naphthol in the presence of sulfuric acidoxidation-reduction indicator - an indicator that shows a reversible color change between oxidized and reduced formscoloring material, colour, colouring material, color - any material used for its color; "she used a different color for the trim" |
indicatornoun sign, mark, measure, guide, display, index, signal, symbol, meter, gauge, marker, benchmark, pointer, signpost, barometer The number of wells is a fair indicator of the demand for water.indicatornounSomething visible or evident that gives grounds for believing in the existence or presence of something else:badge, evidence, index, indication, manifestation, mark, note, sign, signification, stamp, symptom, token, witness.Translationsindicate (ˈindikeit) verb to point out or show. We can paint an arrow here to indicate the right path. 指出 指出ˌindiˈcation nounThere are clear indications that the war will soon be over; He had given no indication that he was intending to resign. 顯示, 跡象 暗示，象征，预示 indicative (inˈdikətiv) adjective, noun describing verbs which occur as parts of statements and questions. In `I ran home' and `Are you going?' `ran' and `are going' are indicative (verbs). 直述(的) （陈述语气的动词形式）陈述的 ˈindicator noun a pointer, sign, instrument etc which indicates something or gives information about something. the indicator on the petrol gauge of a car. 指示器 指示器indicator
indicator1. a device to attract attention, such as the pointer of a gauge or a warning lamp 2. an instrument that displays certain operating conditions in a machine, such as a gauge showing temperature, speed, pressure, etc. 3. a device for indicating that a motor vehicle is about to turn left or right, esp two pairs of lights that flash when operated or a pair of trafficators 4. a delicate measuring instrument used to determine small differences in the height of mechanical components. It consists of a spring-loaded plunger that operates a pointer moving over a circular scale 5. Chema. a substance used in titrations to indicate the completion of a chemical reaction, usually by a change of colour b. a substance, such as litmus, that indicates the presence of an acid or alkali 6. Ecologya. a plant or animal species that thrives only under particular environmental conditions and therefore indicates these conditions where it is found b. a species of plant or animal whose well-being confirms the well-being of other species in the area indicator see SOCIAL INDICATORS.Indicator an instrument, device, or element that represents the progress of a process or the state of an object under observation and its qualitative or quantitative characteristics in a form convenient for human perception. Indicators may be of the visual, acoustic, or tactile type, depending on which sense organs are affected by the signal. Since 90 percent of all information is perceived visually by man, visual indicators are used most often, acoustic indicators less frequently, and those affecting the sense of touch (tactile) or smell, among others, least often. Sound indicators are used in the case of poor visibility, when the visual perception of the observer is overloaded with information, or when the observer’s attention is distracted from the visual indicator. Tactile indicators are usually used in conjunction with visual indicators if an exceptionally quick reaction to the incoming signals is required. In chemistry, substances that indicate the presence of a chemical reaction or change occurring in a medium under analysis are called indicators. Signal indicators, in the form of simple devices such as signal lamps, bells, or levers, are installed most frequently. Colors are used to represent two or three clearly discernible states: green (process is operating normally—permission), yellow (demands increased attention of the operator or observer—caution), and red (process is disrupted—danger). Also used are the differences in brightness (blinking turn signal on an automobile; brightened knobs on a panel) or position, for example, a switch handle. Commands or quantitative data are communicated by means of signal lamps inscribed with numerals or legends. If reliable perception of the visual signal is required, it is supplemented by an acoustic signal (bell, howler). Needle indicators, with a scale graduated in minutes, meters, kilograms, degrees, and the like, are used for indicating precise numerical values of the quantities being measured or controlled, such as time, distance, direction, velocity, consumption, or temperature. In addition to absolute values, needle indicators can also reflect the qualitative information expressed by the relative speed of the motion of the pointer (needle) or its position on the scale. Digital indicators, which provide rapid readings if precise quantitative data are required by the operator, are made in the form of rotating drum-type counters, projection of indirect lighting instruments, or matrix panels. Needle and digital indicators are combined to increase the limits or accuracy of measurements. The combination of several types of displayed information in one device provides the operator with an overall picture, shortening the time required for the distinct perception of its separate parts. Graphic (visual) indicators depict the position of an object in space and the change of characteristics in the form of a graph or a curve on the screen of a cathode-ray tube. Projection indicators, which consist of a projection device and a screen, reflect complex and multiform information. Integrated displays also exist for the visual reproduction of the state and principal characteristics of a process directly on an operator’s screen (graphic display panel) or control panel. The perception of information is facilitated by the use of visual indicators that create a realistic effect. For example, in an instrument landing device the eight separate position indicator readings of an aircraft coming in for a landing are replaced by a single visual, though arbitrary, representation of the object’s movement on a screen. The direction of movement is indicated in the form of a ribbon moving to the horizon, the ribbon being divided by dark transverse stripes that, during the movement of an object, shift as if rushing toward the operator. The operator attempts to hold the moving object on the “road” lying before him. The main virtue of such indicators is that the operator perceives complex information directly, without intermediate transformations. Indicators are widely used in scientific research, engineering, and everyday life. They indicate emergency situations and the arrival of particularly urgent information, facilitate decision-making, and serve as one of the principal methods of data communication between man and machine. REFERENCESLomov, B. F. Chelovek i tekhnika. Moscow, 1966.
Elektronnye sistemy olobrazheniia informatsii. Edited by J. Howard. Moscow, 1966. (Translated from English.)
Woodson, W. E., and D. Conover. Spravochnik po inzhenernoi psikhologii dlia inzhenerov i khudozhnikov-konstruktorov. Moscow, 1968. (Translated from English.)
Poole, H. Osnovnye melody i sistemy indikatsii. Leningrad, 1969. (Translated from English.)R. A. POPOV indicator[′in·də‚kād·ər] (chemistry) chemical indicator (computer science) A device announcing an error or failure. (electronics) A cathode-ray tube or other device that presents information transmitted or relayed from some other source, as from a radar receiver. (engineering) An instrument for obtaining a diagram of the pressure-volume changes in a running positive-displacement engine, compressor, or pump cylinder during the working cycle. (mathematics) Euler's phi function indicator
indicator [in´dĭ-ka″ter] 1. the index finger, or the extensor muscle of the index finger.2. any substance that indicates the appearance or disappearance of a chemical by a color change or attainment of a certain pH.prognostic i's factors such as staging, tumor type, and laboratory studies that may indicate treatment effectiveness and outcomes.in·di·ca·tor (in'di-kā'tŏr, -tōr), 1. In chemical analysis, a substance that changes color within a certain definite range of pH or oxidation potential, or in any way renders visible the completion of a chemical reaction, for example, litmus, phenolsulfonphthalein. 2. An isotope that is used as a tracer. 3. The labeled substance the distribution of which between reactants of a system is used to determine the amount of analyte present. [L. one that points out] indicator (ĭn′dĭ-kā′tər)n.1. One that indicates, especially:a. A pointer or an index.b. An instrument used to monitor the operation or condition of an engine, furnace, electrical network, reservoir, or other physical system; a meter or gauge.c. The needle, dial, or other registering device on such an instrument.2. Chemistry Any of various substances, such as litmus or phenolphthalein, that indicate the presence, absence, or concentration of another substance or the degree of reaction between two or more substances by means of a characteristic change, especially in color.in·di·ca·tor (in'di-kā-tŏr) 1. chemical analysis A substance that changes color within a certain definite range of pH or oxidation potential, or in any way renders visible the completion of a chemical reaction (e.g., litmus, phenolsulfonphthalein). 2. An isotope that is used as a tracer. 3. The labeled substance the distribution of which between reactants of a system is used to determine the amount of analyte present. [L. one that points out]indicator A substance that undergoes an observable change, usually a change of colour, when a chemical alteration occurs in its environment. Indicators may demonstrate changes in acidity, the presence of various substances, such as sugar or protein in body fluids, or alterations in the concentrations of substances. Indicators are widely used in chemistry and in clinical medicine.in·di·ca·tor (in'di-kā-tŏr) 1. In chemical analysis, a substance that changes color within a certain definite range of pH or oxidation potential, or in any way renders visible the completion of a chemical reaction, e.g., litmus. 2. An isotope that is used as a tracer. [L. one that points out]Patient discussion about indicatorQ. What could be the reason? I do go for exercise but the result is not satisfactory to me although I followed good diet, timing etc. What could be the reason?A. can you list in detail here what you do, what you eat? etc? Your successes and failures? Then we can help you a bit more. Maybe you have plateaued and need to change things up. Q. What the reasons to the migraine? A. A migraine headache has many triggers- among which are different foods (cheese, red wine), drinking coffee or caffeine containing beverages, lack of sleep, smoking, drinking alcohol, exposure to strong noise and more. There is also a genetic factor, and you see migraine more in people whose relatives suffer from it too. Q. what do you think the reason would be? As per the latest statistics that 2 out of 150 kids born in the U.S. has autism, and the incidence rate is increasing, what do you think the reason would be?A. The actual statistics is not 2 out of 150. It is 1 out of 150. I don't think autism is increasing, I think more children are being labeled as autistic - the condition is more well known than it was 20 years ago. More discussions about indicatorIndicator
IndicatorUsed in the context of general equities. Technical or fundamental measurement that securities analysts use to forecast the market's direction, such as investment advisory sentiment, volume of stock trading, direction of interest rates, and buying or selling by corporate insiders.IndicatorA signal of a security's or the broader economy's health. An indicator may cause a company's stock to rise or fall in price. Indicators can be technical or fundamental in nature. There are three basic types of indicator. A leading indicator occurs before an event or trend takes place, and is thought to be predictive. A coincident indicator happens at the same time as the general trend. Finally, a lagging indicator occurs after the trend is well established, and is thought to confirm it. See also: Signal.indicator A variable used to forecast the value or change in the value of another variable. For example, changes in the producer price index are used to forecast subsequent changes in the consumer price index. Likewise, some financial analysts believe a change in the money supply is an indicator of the direction of the stock market. See also technical indicator.AcronymsSeeINDindicator
Related to indicator: Chemical indicator, Indicator function, PH indicatorSynonyms for indicatornoun signSynonyms- sign
- mark
- measure
- guide
- display
- index
- signal
- symbol
- meter
- gauge
- marker
- benchmark
- pointer
- signpost
- barometer
Synonyms for indicatornoun something visible or evident that gives grounds for believing in the existence or presence of something elseSynonyms- badge
- evidence
- index
- indication
- manifestation
- mark
- note
- sign
- signification
- stamp
- symptom
- token
- witness
Synonyms for indicatornoun a number or ratio (a value on a scale of measurement) derived from a series of observed factsSynonyms- index number
- indicant
- index
Related Words- fact
- BMI
- body mass index
- business index
- leading indicator
- price index
- price level
- short account
- stock index
- stock market index
noun a signal for attracting attentionRelated Words- signal
- signaling
- sign
- point of reference
- reference point
- reference
noun a device for showing the operating condition of some systemRelated Words- annunciator
- cursor
- pointer
- device
- dial
- fuel gauge
- fuel indicator
- gnomon
- spirit level
- level
- indicator lamp
- pilot lamp
- pilot light
- scale
- test paper
- tidemark
noun (chemistry) a substance that changes color to indicate the presence of some ion or substanceRelated Words- chemical science
- chemistry
- absorption indicator
- acid-base indicator
- alpha-naphthol test
- Molisch reaction
- Molisch test
- Molisch's test
- oxidation-reduction indicator
- coloring material
- colour
- colouring material
- color
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