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

Sensible :: Sensible (a.) Hence: Liable to impression from without; easily affected; having nice perception or acute feeling; sensitive; also, readily moved or affected by natural agents; delicate; as, a sensible thermometer..
Thermetograph :: Thermetograph (n.) A self-registering thermometer, especially one that registers the maximum and minimum during long periods..
Sensitive :: Sensitive (a.) Having a capacity of being easily affected or moved; as, a sensitive thermometer; sensitive scales..
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..
Delicate :: Delicate (a.) Affected by slight causes; showing slight changes; as, a delicate thermometer..
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..
Celsius :: Celsius (n.) The Celsius thermometer or scale, so called from Anders Celsius, a Swedish astronomer, who invented it. It is the same as the centigrade thermometer or scale..
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..
Mercury :: Mercury (n.) A metallic element mostly obtained by reduction from cinnabar, one of its ores. It is a heavy, opaque, glistening liquid (commonly called quicksilver), and is used in barometers, thermometers, ect. Specific gravity 13.6. Symbol Hg (Hydrargyrum). Atomic weight 199.8. Mercury has a molecule which consists of only one atom. It was named by the alchemists after the god Mercury, and designated by his symbol, /..
Telethermometer :: Telethermometer (n.) An apparatus for determining the temperature of a distant point, as by a thermoelectric circuit or otherwise..
Thermometrically :: Thermometrically (adv.) In a thermometrical manner; by means of a thermometer.
Thermoscope :: Thermoscope (n.) An instrument for indicating changes of temperature without indicating the degree of heat by which it is affected; especially, an instrument contrived by Count Rumford which, as modified by Professor Leslie, was afterward called the differential thermometer..
Centigrade :: Centigrade (a.) Of or pertaining to the centigrade thermometer; as, 10¡ centigrade (or 10¡ C.)..
Diathermometer :: Diathermometer (n.) An instrument for examining the thermal resistance or heat-conducting power of liquids.
Pyroscope :: Pyroscope (n.) An instrument for measuring the intensity of heat radiating from a fire, or the cooling influence of bodies. It is a differential thermometer, having one bulb coated with gold or silver leaf..
Degree :: Degree (n.) A division, space, or interval, marked on a mathematical or other instrument, as on a thermometer..
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..
Measure :: Measure (n.) To serve as the measure of; as, the thermometer measures changes of temperature..
Thermometrical :: Thermometrical (a.) Made, or ascertained, by means of a thermometer; as, thermometrical observations..
Geothermometer :: Geothermometer (n.) A thermometer specially constructed for measuring temperetures at a depth below the surface of the ground.
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