| 单词 | thermometer |
| 释义 | thermometer (once / 1044 pages) n A thermometer is a tool that measures temperature — how hot or cold something is. Thermometers are used to see if you have a fever or tell you how cold it is outside. Made up of thermo (heat) and meter (measuring device), the meaning of the word thermometer is pretty straightforward. Thermometers measure temperatures in degrees, according to either the Celsius or Fahrenheit system. Meteorologists use thermometers to find out how hot it is or if it's below freezing. Doctors use thermometers to check your body temperature — a very high or low body temperature means you're sick. WORD FAMILYthermometer: thermometers USAGE EXAMPLESBoil the liquid for 10 minutes, then remove from heat and set aside until a thermometer inserted in the liquid reaches 175 degrees Fahrenheit. Los Angeles Times(Dec 29, 2016) The National Weather Service said the thermometer dipped to 27 degrees below zero in Limon. Time(Dec 18, 2016) “The number and way women are killed serves as a thermometer of violence and impunity.” The Guardian(Dec 08, 2016) n measuring instrument for measuring temperature Hypo|Hyper alcohol thermometer, alcohol-in-glass thermometer thermometer 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 candy thermometera thermometer used to determine the temperature of candy syrups during cooking Centigrade thermometera thermometer calibrated in degrees centigrade cryometera thermometer designed to measure low temperatures dry-bulb thermometeran ordinary thermometer with a dry bulb; used to measure the air temperature Fahrenheit thermometera thermometer calibrated in degrees Fahrenheit air thermometer, gas thermometerthermometer that measures temperature by changes in the pressure of a gas kept at constant volume 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 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 oven thermometera thermometer that registers the temperature inside an oven pyrometera thermometer designed to measure high temperatures Reaumur thermometeran alcohol thermometer calibrated in degrees Reaumur 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 self-registering thermometera thermometer that records the temperature automatically 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 thermopilea kind of thermometer for measuring heat radiation; consists of several thermocouple junctions in series wet-bulb thermometera thermometer with a bulb that is covered with moist muslin; used in a psychrometer to measure humidity Beckman thermometera mercury thermometer that measures small differences or changes in temperature clinical thermometer, mercury-in-glass clinical thermometera mercury thermometer designed to measure the temperature of the human body; graduated to cover a range a few degrees on either side of the normal body temperature optical pyrometer, pyroscopea pyrometer that uses the color of the light emitted by a hot object pyrometric conea pyrometer consisting of a series of cones that melt at different temperatures radiation pyrometera pyrometer for estimating the temperature of distant sources of heat; radiation is focussed on a thermojunction connected in circuit with a galvanometer resistance pyrometerpyrometer that measures high temperatures by the resistance in a heated wire measuring device, measuring instrument, measuring system instrument that shows the extent or amount or quantity or degree of something |
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