Grüneisen relation

Grüneisen relation

[′grü·nīz·ən ri‚lā·shən]
(solid-state physics)
The relation stating that the electrical resistivity of a very pure metal is proportional to a mathematical function which depends on the ratio of the temperature to a characteristic temperature.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.