Meaning of kinetic theory of gases

kinet'ic the'ory of gas'es

Pronunciation: [key]
— Physics. Physics.
  1. a theory that the particles in a gas move freely and rapidly along straight lines but often collide, resulting in variations in their velocity and direction. Pressure is interpreted as arising from the impacts of these particles with the walls of a container.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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