Definition of comparator
: a device for comparing something with a similar thing or with a standard measure
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Recent Examples of comparator from the Web
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One room over, Wilson shows me the most impressive new toy in the group's digitization toolkit, one that arrived just three days earlier: A room-sized analog artifact known as an optical comparator.
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None of those vaccinated developed the disease after 10 days, even as 16 people in the unvaccinated comparator group did, according to a report in the Lancet.
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Traditionally, the safety and effectiveness of new cancer therapies is demonstrated through randomized clinical trials—studies in which patients are randomly assigned to receive either an experimental new treatment or a comparator therapy.
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Tombaugh made his discovery using a device called a blink comparator, which relies on a simple yet elegant technique: look at two pictures of a star field and compare them.
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If one twin burned 80 calories compared with 100 burned by a comparator group during a workout, then the other twin would likely suffer the same metabolic shortcoming.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'comparator.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of comparator
1883
Medical Dictionary
medical Definition of comparator
1
: an apparatus used for determining concentration of dissolved substances (as hydrogen ions) in solution by color comparison with known standards
2
: an instrument, device, or set of charts (as for use in chemical analysis and medical diagnosis) for the determination and specification of colors by direct comparison with a standardized system of colors
Learn More about comparator
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See words that rhyme with comparator Britannica.com: Encyclopedia article about comparator
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