gas thermometer

noun

1. a device for measuring temperature by observing the change in either pressure or volume of an enclosed gas.

gas thermometer

noun

1. a device for measuring temperature by observing the pressure of gas at a constant volume or the volume of a gas kept at a constant pressure

Word History and Origins

Origin of gas thermometer¹

First recorded in 1875–80

Example Sentences

The permanent character of helium might be taken advantage of in its application to the gas thermometer.

From Project Gutenberg