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null method

American

noun

a method of measurement using an electrical device, as a Wheatstone bridge, in which the quantity to be measured is balanced by an opposing known quantity that is varied until the resultant of the two is zero.

Etymology

Origin of null method

First recorded in 1870–75

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.