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McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a line in a phase diagram representing a process that takes place in a system at a constant volume (isochoric process).

The simplest equation of an isochor is that for an ideal gas p/T = constant, where p is the pressure and T’\% the temperature of the gas.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.