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perfect gas

noun

, Physics.


perfect gas

noun

  1. another name for ideal gas
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of perfect gas1

First recorded in 1840–50
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Example Sentences

Thomson's scale enables a perfect gas to be defined, and the deviations of the properties of ordinary gases from those of such a gas to be observed and measured.

The relation between the temperature, pressure, and weight of steam is not quite proportional to the volume, because steam is not a perfect gas, and does not, therefore, strictly follow Mariotte’s law.

Contracting, according to Lane's law, its temperature must rise until its density becomes such that it no longer behaves as a perfect gas.

They are the cases of mixtures of perfect gases, and of very dilute solutions.

Instead of behaving like a perfect gas, in which every quark goes its own way independent of the others, the plasma seemed to act like a liquid.

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