root-sum-square value

root-sum-square value

[′rüt ‚səm ′skwər ′val·ü]
(physics)
The square root of the sum of the squares of a series of related values; commonly used to express total harmonic distortion.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.