[kuh m-par-uh-ter, kom-puh-rey-]
any of various instruments for making comparisons, as of lengths or distances, tints of colors, etc. Electronics. a circuit for comparing two signals, as readings of duplicate information stored in a digital computer, and for giving an indication of agreement or disagreement between them.
Origin of comparator
First recorded in 1880–85, comparator
is from the Late Latin
a comparer. See compare
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for comparator
Historical Examples of comparator
The most important of these “tricks” is the use of a “standard” or “comparator”.
The lieutenant put the retinal photos in the comparator, took a good look, and nodded.
Put the sample and comparator together into a reactor and bombard them with neutrons.
In the comparator Vickers brought the corresponding standard comparison lines together.
British Dictionary definitions for comparator
any instrument used to measure a property of a system by comparing it with a standard system
an electric circuit that compares two signals and gives an indication of the extent of their dissimilarity
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for comparator
1883, agent noun in Latin form from compare.
Online Etymology Dictionary, © 2010 Douglas Harper