| 单词 | measuring instrument |
| 释义 | measuring instrument (once / 93805 pages) n WORD FAMILY measuring instrument: measuring instruments USAGE EXAMPLESShe never used measuring instruments … she used the tea cup and spoons to measure stuff. New York Times(Oct 21, 2016) But the top gusts are not known because the measuring instruments were damaged or destroyed. Seattle Times(Oct 12, 2016) Though sometimes equipped with scientific measuring instruments, the symbolism of the crosses is overtly religious. The Guardian(Sep 01, 2016) n instrument that shows the extent or amount or quantity or degree of something Syn|Exp|Hypo|Hyper measuring device, measuring system Big Ben clock in the clock tower of the Houses of Parliament, London accelerometer an instrument for measuring the acceleration of aircraft or rockets actinometeran instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect) algometerdevice for measuring pain caused by pressure altazimuthan instrument that measures the altitude and azimuth of celestial bodies; used in navigation altimeteran instrument that measures the height above ground; used in navigation atmometer, evaporometeran instrument that measures rate of evaporation of water audiometer, sonometeran instrument used to measure the sensitivity of hearing barometeran instrument that measures atmospheric pressure bathometer, bathymeteran instrument that measures the depth of water bolometeran instrument that measures heat radiation; extremely sensitive buret, burettemeasuring instrument consisting of a graduated glass tube with a tap at the bottom; used for titration caliper, calliperan instrument for measuring the distance between two points (often used in the plural) calorimetera measuring instrument that determines quantities of heat chronoscopean instrument for accurate measurements of small intervals of time colorimeter, tintometera measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents counter tubea measuring instrument for counting individual ionizing events craniometeran instrument for measuring skull sizes cryoscopea measuring instrument for measuring freezing and melting points declinometer, transit declinometeran instrument for measuring magnetic declination densimeter, densitometera measuring instrument for determining density or specific gravity densitometera measuring instrument for determining optical or photographic density dosemeter, dosimetera measuring instrument for measuring doses of ionizing radiation (X-rays or radioactivity) dynamometer, ergometermeasuring instrument designed to measure power electrodynamometermeasuring instrument that uses the interaction of the magnetic fields of two coils to measure current or voltage or power electroscopemeasuring instrument that detects electric charge; two gold leaves diverge owing to repulsion of charges with like sign eudiometermeasuring instrument consisting of a graduated glass tube for measuring volume changes in chemical reactions between gases gage, gaugea measuring instrument for measuring and indicating a quantity such as the thickness of wire or the amount of rain etc. graduatea measuring instrument for measuring fluid volume; a glass container (cup or cylinder or flask) whose sides are marked with or divided into amounts gravimeter, gravity metera measuring instrument for measuring variations in the gravitational field of the earth heliometeran instrument used to measure the angular separation of two stars that are too far apart to be included in the field of view of an ordinary telescope haematocrit, hematocrita measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood gravimeter, hydrometera measuring instrument for determining the specific gravity of a liquid or solid hygrometermeasuring instrument for measuring the relative humidity of the atmosphere dip circle, inclinometera measuring instrument for measuring the angle of magnetic dip (as from an airplane) integrator, planimetera measuring instrument for measuring the area of an irregular plane figure interferometerany measuring instrument that uses interference patterns to make accurate measurements of waves ionization chamber, ionization tubea measuring instrument that measures the amount of ionizing radiation katharometermeasures thermal conductivity Kundt's tubea measuring instrument used to measure the speed of sound lidara measuring system that detects and locates objects on the same principle as radar but uses light from a laser; a potential technology for detecting air turbulence that can affect aircraft logmeasuring instrument that consists of a float that trails from a ship by a knotted line in order to measure the ship's speed through the water measure, measuring rod, measuring stickmeasuring instrument having a sequence of marks at regular intervals; used as a reference in making measurements meterany of various measuring instruments for measuring a quantity nephoscopea measuring instrument that uses a grid for measuring the altitude, direction, and velocity of movement of clouds octanta measuring instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration oximetera measuring instrument that measures the oxygen in arterial blood pedometermeasuring instrument for recording the number of steps taken in walking pelvimetermeasuring instrument for performing pelvimetry photometermeasuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source piezometera measuring instrument for measuring high pressures pipet, pipettemeasuring instrument consisting of a graduated glass tube used to measure or transfer precise volumes of a liquid by drawing the liquid up into the tube Pitot head, Pitot tube, Pitot-static tubemeasuring instrument consisting of a combined Pitot tube and static tube that measures total and static pressure; used in aircraft to measure airspeed Pitot, Pitot tubemeasuring instrument consisting of a right-angled tube with an open end that is directed in opposition to the flow of a fluid and used to measure the velocity of fluid flow plethysmographa measuring instrument for measuring changes in volume of a part or organ or whole body (usually resulting from fluctuations in the amount of blood it contains) potentiometera measuring instrument for measuring direct current electromotive forces quadranta measuring instrument for measuring altitude of heavenly bodies microwave radar, radar, radio detection and ranging, radiolocationmeasuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects range finder, rangefindera measuring instrument (acoustic or optical or electronic) for finding the distance of an object refractometermeasuring instrument for measuring the refractive index of a substance rheometeran instrument for measuring the flow of liquids (especially arterial blood) scale, weighing machinea measuring instrument for weighing; shows amount of mass sclerometera measuring instrument that measures the hardness of materials by penetrating them with a stylus that has a diamond point sectormeasuring instrument consisting of two graduated arms hinged at one end seismographa measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake) sensitometera measuring instrument for measuring the light sensitivity of film over a range of exposures sextanta measuring instrument for measuring the angular distance between celestial objects; resembles an octant asdic, echo sounder, sonara measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return spherometera measuring instrument for measuring the curvature of a surface spirographa measuring instrument for recording the depth and rapidity of breathing movements spirometera measuring instrument for measuring the vital capacity of the lungs static tubea measuring instrument used to measure static pressure in a stream of fluid synchroniser, synchronizer, synchronoscope, synchroscopean instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines) tach, tachometermeasuring instrument for indicating speed of rotation tape, tape measure, tapelinemeasuring instrument consisting of a narrow strip (cloth or metal) marked in inches or centimeters and used for measuring lengths tensiometera measuring instrument for measuring the surface tension of a liquid tensiometera measuring instrument for measuring the tension in a wire or fiber or beam tensiometera measuring instrument for measuring the moisture content of soil thermometermeasuring instrument for measuring temperature horologe, timekeeper, timepiecea measuring instrument or device for keeping time tonometermeasuring instrument for measuring tension or pressure (especially for measuring intraocular pressure in testing for glaucoma) torsion balancemeasuring instrument designed to measure small forces by the torsion they exert on a thin wire variometera measuring instrument for measuring variations in a magnetic field Venturi tubea short tube inserted into a pipeline and used to measure the quantity of a liquid that is flowing in the pipeline viscometer, viscosimetera measuring instrument for measuring viscosity wattmeteran instrument for measuring in watts the flow of power in an electrical circuit alcohol thermometer, alcohol-in-glass thermometerthermometer consisting of a glass capillary tube marked with degrees Celsius or Fahrenheit and containing alcohol which rises or falls as it expands or contracts with changes in temperature ammetera meter that measures the flow of electrical current in amperes anemometer, wind gage, wind gaugea gauge for recording the speed and direction of wind aneroid, aneroid barometera barometer that measures pressure without using fluids astrolabean early form of sextant atomic clocka timepiece that derives its time scale from the vibration of atoms or molecules balancea scale for weighing; depends on pull of gravity barographa recording barometer; automatically records on paper the variations in atmospheric pressure board rulea measure used in computing board feet body plethysmographplethysmograph consisting of a chamber surrounding the entire body; used in studies of respiration bomb, bomb calorimeterstrong sealed vessel for measuring heat of combustion boron chamberan ionization chamber lined with boron or filled with boron trifluoride gas for counting low velocity neutrons candy thermometera thermometer used to determine the temperature of candy syrups during cooking Centigrade thermometera thermometer calibrated in degrees centigrade clocka timepiece that shows the time of day cryometera thermometer designed to measure low temperatures crystal countera counter tube in which an ionizing event increases conductivity dasymeterdensimeter consisting of a thin glass globe that is weighed in a gas to determine its density depth gage, depth gaugea gauge for measuring the depth of grooves or holes or other concavities digital plethysmographplethysmograph applied to a digit of the hand or foot to measure skin blood flow dipsticka graduated rod dipped into a container to indicate the fluid level Doppler radarradar that uses the Doppler shift to measure velocity dropper, eye dropperpipet consisting of a small tube with a vacuum bulb at one end for drawing liquid in and releasing it a drop at a time dry-bulb thermometeran ordinary thermometer with a dry bulb; used to measure the air temperature early warning radara radar that is part of an early warning system electric meter, power metera meter for measuring the amount of electric power used electrometermeter to measure electrostatic voltage differences; draws no current from the source Fahrenheit thermometera thermometer calibrated in degrees Fahrenheit fluxmetermeter that measures magnetic flux by the current it generates in a coil galvanometermeter for detecting or comparing or measuring small electric currents gas meter, gasometera meter for measuring the amount of gas flowing through a particular pipe gas gage, gas gauge, gasoline gage, gasoline gauge, petrol gage, petrol gaugegauge that indicates the amount of gasoline left in the gasoline tank of a vehicle air thermometer, gas thermometerthermometer that measures temperature by changes in the pressure of a gas kept at constant volume Geiger counter, Geiger-Muller countercounter tube that detects ionizing radiations Geiger tube, Geiger-Muller tubean ionization chamber contained in a tube in a Geiger counter graduated cylindera cylindrical graduate harpoon loga cylindrical log with a device that registers distance hygrodeika wet and dry bulb hygrometer hygroscopehygrometer that shows variations in the relative humidity of the atmosphere hypsometeran altimeter that uses the boiling point of water to determine land elevation inside calipercaliper for measuring inside dimensions (the size of a cavity or hole); points on its legs curve outward gaussmeter, magnetometera meter to compare strengths of magnetic fields maximum and minimum thermometerthermometer that records the highest and lowest temperatures reached during a period of time meat thermometera thermometer that is inserted into the center of a roast (with the top away from the heat source); used to measure how well done the meat is mercury barometerbarometer that shows pressure by the height of a column of mercury mercury thermometer, mercury-in-glass thermometerthermometer consisting of mercury contained in a bulb at the bottom of a graduated sealed glass capillary tube marked in degrees Celsius or Fahrenheit; mercury expands with a rise in temperature causing a thin thread of mercury to rise in the tube micrometer, micrometer caliper, micrometer gaugecaliper for measuring small distances microphotometerspecial kind of densitometer that measures density variations over a very small area odd-leg calipercaliper having the points on its legs both curve in the same direction hodometer, mileometer, milometer, odometera meter that shows mileage traversed ohmmetera meter for measuring electrical resistance in ohms outside calipercaliper for measuring outside dimensions; points on its legs curve inward oven thermometera thermometer that registers the temperature inside an oven patent log, screw log, taffrail loga cigar-shaped log with rotary fins that measure the ship's speed postage metermeter for bulk mailings that imprints correct prepaid postage on pieces of mail and records the total charge pressure gage, pressure gaugegauge for measuring and indicating fluid pressure proportional counter, proportional counter tubecounter tube whose output pulse is proportional to number of ions produced psychrometera hygrometer consisting of a dry-bulb thermometer and a wet-bulb thermometer; their difference indicates the dryness of the surrounding air pyrometera thermometer designed to measure high temperatures radiometermeter to detect and measure radiant energy (electromagnetic or acoustic) pluviometer, rain gage, rain gauge, udometergauge consisting of an instrument to measure the quantity of precipitation Reaumur thermometeran alcohol thermometer calibrated in degrees Reaumur reflectometera meter that measures the reflectance of a surface platinum thermometer, resistance thermometerthermometer that measures temperature by changes in the resistance of a spiral of platinum wire reversing thermometera thermometer that registers the temperature in deep waters rule, rulermeasuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths salinometera hydrometer that determines the concentration of salt solutions by measuring their density sandglasstimepiece in which the passage of time is indicated by the flow of sand from one transparent container to another through a narrow passage scintillation countercounter tube in which light flashes when exposed to ionizing radiation self-registering thermometera thermometer that records the temperature automatically size sticka mechanical measuring stick used by shoe fitters to measure the length and width of your foot spectrophotometera photometer for comparing two light radiations wavelength by wavelength speed indicator, speedometera meter fixed to a vehicle that measures and displays its speed strain gage, strain gaugea gauge for measuring strain in a surface sundialtimepiece that indicates the daylight hours by the shadow that the gnomon casts on a calibrated dial scribing block, surface gage, surface gaugegauge consisting of a scriber mounted on an adjustable stand; used to test the accuracy of plane surfaces tachographa tachometer that produces a graphical record of its readings; used to record the speed and duration of trips in a motor vehicle taximetera meter in a taxi that registers the fare (based on the length of the ride) telethermometera thermometer that registers the temperature at some distant point thermocouple, thermocouple junctiona kind of thermometer consisting of two wires of different metals that are joined at both ends; one junction is at the temperature to be measured and the other is held at a fixed lower temperature; the current generated in the circuit is proportional to the temperature difference electric thermometer, thermel, thermoelectric thermometera thermometer that uses thermoelectric current to measure temperature thermograph, thermometrographa thermometer that records temperature variations on a graph as a function of time thermogravimeter, thermohydrometera hydrometer that includes a thermometer thermopilea kind of thermometer for measuring heat radiation; consists of several thermocouple junctions in series 3d radar, three-dimensional radarradar that will report altitude as well as azimuth and distance of a target time-delay measuring instrument, time-delay measuring systemchronoscope for measuring the time difference between two events timera timepiece that measures a time interval and signals its end vacuum gage, vacuum gaugea gauge for indicating negative atmospheric pressure vernier caliper, vernier micrometera caliper with a vernier scale for very fine measurements voltmetermeter that measures the potential difference between two points volumetera meter to measure the volume of gases, liquids, or solids (either directly or by displacement) ticker, watcha small portable timepiece water gage, water gauge, water glassgauge for indicating the level of water in e.g. a tank or boiler or reservoir water metermeter for measuring the quantity of water passing through a particular outlet weatherglassa simple barometer for indicating changes in atmospheric pressure weather radarradar that is able to detect clouds and precipitation weighbridgeplatform scale flush with a roadway for weighing vehicles and cattle etc wet-bulb thermometera thermometer with a bulb that is covered with moist muslin; used in a psychrometer to measure humidity wire gage, wire gaugegauge for measuring the diameter of wire instrument a device that requires skill for proper use |
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