comparator
Americannoun
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any of various instruments for making comparisons, as of lengths or distances, tints of colors, etc.
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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.
noun
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any instrument used to measure a property of a system by comparing it with a standard system
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an electric circuit that compares two signals and gives an indication of the extent of their dissimilarity
Etymology
Origin of comparator
First recorded in 1880–85; from Late Latin comparātor “a comparer”; see compare, -tor
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Moderna’s vaccine reduced flu cases by 26.6% versus the comparator.
From The Wall Street Journal • Feb. 10, 2026
A separate arm is exploring AF prevalence and susceptibility in 128 former elite competitive rowers between the ages of 45 and 80, along with a matched comparator group of people who are not competitive athletes.
From Science Magazine • May 14, 2024
Fifty years on from that policy decision, Sweden has clean, secure and affordable energy and is emitting less greenhouse gas than any comparator nation.
From Salon • Jul. 16, 2023
"With Wieze fully operational since end of October and against a strong comparator, we had, as expected, a slow start to the year," said Chief Executive Peter Boone in a statement.
From Reuters • Jan. 18, 2023
In the comparator Vickers brought the corresponding standard comparison lines together.
From The Year When Stardust Fell by Jones, Raymond F.
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.
