adiabatic law

adiabatic law

[¦ad·ē·ə¦bad·ik ′lȯ]
(physics)
The relationship which states that, for adiabatic expansion of gases, P ρ= constant, where P = pressure, ρ = density, and γ ratio of specific heats CP/CV.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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