perfect gas
Americannoun
noun
Etymology
Origin of perfect gas
First recorded in 1840–50
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The process of shrinkage and rise of temperature goes on so long as they remain in the state of a perfect gas.
From The New Heavens by George Ellery Hale
In an elastic wave propagated from a centre of impulse in an infinitely extended volume of a perfect gas, normal vibrations are alone propagated—as is the case with sound in air.
From The Eruption of Vesuvius in 1872 by Luigi Palmieri
When a perfect gas dilates in a vacuum its entropy increases, and yet the temperature does not change, and the gas has neither been able to give nor receive heat.
From The New Physics and Its Evolution by Lucien Poincaré
Contracting, according to Lane's law, its temperature must rise until its density becomes such that it no longer behaves as a perfect gas.
From Astronomy: The Science of the Heavenly Bodies by David Peck Todd
But steam is not a perfect gas, as is evidenced by the fact that its volume does not increase in a ratio inverse to its pressure.
From Modern Machine-Shop Practice, Volumes I and II by Joshua Rose
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.