Definition of thermometer

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Thermometer (n.) An instrument for measuring temperature, founded on the principle that changes of temperature in bodies are accompained by proportional changes in their volumes or dimensions..

Lern More About Thermometer

Graduate :: Graduate (n.) To mark with degrees; to divide into regular steps, grades, or intervals, as the scale of a thermometer, a scheme of punishment or rewards, etc..
Reaumur :: Reaumur (n.) A Reaumur thermometer or scale.
Diathermometer :: Diathermometer (n.) An instrument for examining the thermal resistance or heat-conducting power of liquids.
Meteorometer :: Meteorometer (n.) An apparatus which transmits automatically to a central station atmospheric changes as marked by the anemometer, barometer, thermometer, etc..
Calibrate :: Calibrate (v. i.) To ascertain the caliber of, as of a thermometer tube; also, more generally, to determine or rectify the graduation of, as of the various standards or graduated instruments..
Zero :: Zero (n.) The point from which the graduation of a scale, as of a thermometer, commences..
Sensitive :: Sensitive (a.) Having a capacity of being easily affected or moved; as, a sensitive thermometer; sensitive scales..
Rise :: Rise (n.) The distance through which anything rises; as, the rise of the thermometer was ten degrees; the rise of the river was six feet; the rise of an arch or of a step..
Fahrenheit :: Fahrenheit (a.) Conforming to the scale used by Gabriel Daniel Fahrenheit in the graduation of his thermometer; of or relating to Fahrenheit's thermometric scale.
Reaumur :: Reaumur (a.) Of or pertaining to Rene Antoine Ferchault de Reaumur; conformed to the scale adopted by Reaumur in graduating the thermometer he invented.
Pyrometer :: Pyrometer (n.) An instrument for measuring degrees of heat above those indicated by the mercurial thermometer.
Measure :: Measure (n.) To serve as the measure of; as, the thermometer measures changes of temperature..
Calibration :: Calibration (n.) The process of estimating the caliber a tube, as of a thermometer tube, in order to graduate it to a scale of degrees; also, more generally, the determination of the true value of the spaces in any graduated instrument..
Sensibility :: Sensibility (n.) That quality of an instrument which makes it indicate very slight changes of condition; delicacy; as, the sensibility of a balance, or of a thermometer..
Temperature :: Temperature (n.) Condition with respect to heat or cold, especially as indicated by the sensation produced, or by the thermometer or pyrometer; degree of heat or cold; as, the temperature of the air; high temperature; low temperature; temperature of freezing or of boiling..
Water Thermometer :: Water thermometer () A thermometer filled with water instead of mercury, for ascertaining the precise temperature at which water attains its maximum density. This is about 39? Fahr., or 4? Centigrade; and from that point down to 32? Fahr., or 0? Centigrade, or the freezing point, it expands..
Bulb :: Bulb (n.) An expansion or protuberance on a stem or tube, as the bulb of a thermometer, which may be of any form, as spherical, cylindrical, curved, etc..
Thermometrically :: Thermometrically (adv.) In a thermometrical manner; by means of a thermometer.
Aethrioscope :: Aethrioscope (n.) An instrument consisting in part of a differential thermometer. It is used for measuring changes of temperature produced by different conditions of the sky, as when clear or clouded..
Thermometer :: Thermometer (n.) An instrument for measuring temperature, founded on the principle that changes of temperature in bodies are accompained by proportional changes in their volumes or dimensions..
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