Lorentz number[′lȯr‚ens ‚nəm·bər]
The ratio of the velocity of a fluid to the velocity of light. Symbolized NLo .
The thermal conductivity of a metal divided by the product of its temperature and its electrical conductivity, according to the Wiedemann-Franz law.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.