gas thermometer, air thermometer(noun)
thermometer that measures temperature by changes in the pressure of a gas kept at constant volume
A gas thermometer measures temperature by the variation in volume or pressure of a gas. One common apparatus is a constant volume thermometer. It consists of a bulb connected by a capillary tube to a manometer. The bulb is filled with a gas such that the volume of the gas in the bulb remains constant. The volume is related to temperature by k, known as Charles's Law. The pressure of the gas in the bulb can be obtained by measuring the level difference in the two arms of the manometer. Gas thermometers are often used to calibrate other thermometers.
The numerical value of gas thermometer in Chaldean Numerology is: 9
The numerical value of gas thermometer in Pythagorean Numerology is: 5
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"gas thermometer." Definitions.net. STANDS4 LLC, 2018. Web. 23 Jan. 2018. <http://www.definitions.net/definition/gas thermometer>.