comparator

American  

[kuhm-par-uh-ter, kom-puh-ray-] / kəmˈpær ə tər, ˈkɒm pəˌreɪ- /

noun

1. any of various instruments for making comparisons, as of lengths or distances, tints of colors, etc.

2. 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.

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comparator British  

/ kəmˈpærətə /

noun

1. any instrument used to measure a property of a system by comparing it with a standard system

2. an electric circuit that compares two signals and gives an indication of the extent of their dissimilarity

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Etymology

Origin of comparator

First recorded in 1880–85; from Late Latin comparātor “a comparer”; see compare, -tor

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Example Sentences

See Examples For:

comparator

Among patients who consistently followed their treatment plans, the intervention group experienced an 11% lower incidence of major cardiovascular events compared with the comparator group.

From Science Daily ● Oct. 25, 2026

The primary endpoints were for progression-free survival and overall survival in the primary population of patients versus the comparator arm.

From The Wall Street Journal ● Aug. 17, 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

In addition to the things to be tested there is usually required some form of balance, or comparator, or gauge, by which the equality may be tested.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" by Various

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