Try Our Apps


The Best Internet Slang


[kuh m-par-uh-ter, kom-puh-rey-] /kəmˈpær ə tər, ˈkɒm pəˌreɪ-/
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 word comparātor a comparer. See compare, -tor Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for comparator
Historical Examples
  • The most important of these “tricks” is the use of a “standard” or “comparator”.

    The Atomic Fingerprint Bernard Keisch
  • The lieutenant put the retinal photos in the comparator, took a good look, and nodded.

    Unwise Child Gordon Randall Garrett
  • Put the sample and comparator together into a reactor and bombard them with neutrons.

    The Atomic Fingerprint Bernard Keisch
  • In the comparator Vickers brought the corresponding standard comparison lines together.

    The Year When Stardust Fell Raymond F. Jones
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
Cite This Source
Word Origin and History for comparator

1883, agent noun in Latin form from compare.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for comparator

Few English speakers likely know this word

Word Value for comparator

Scrabble Words With Friends

Nearby words for comparator