Definition of comparator in English:

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Pronunciation: /kəmˈperədər/


1A device for comparing a measurable property or thing with a reference or standard.
Example sentences
  • The spacing of the 1,0 reflections was measured with a comparator.
  • Using the OAL gauge with the test bullet in place, simply insert the bullet into the comparator and measure the distance from the base of the cartridge.
  • With the comparator, you can then measure the overall length with that bullet.
1.1An electronic circuit for comparing two electrical signals.
Example sentences
  • It is no better or worse a comparator than the electricity authority.
  • In addition, the analog-to-digital converter includes a state machine operable to receive outputs from the comparators and generate a digital output value.
  • The latching comparator detects any incoming signal that is above the stored negative voltage reference.
1.2Something used as a standard for comparison.
Example sentences
  • First, in relation to identifying the appropriate comparators, it could argue that the standard could be fixed by looking at a less prestigious hospital.
  • The last two comparators are not comparators in our view because these people are simply not living in a care home, either because they have been moved or because they have never lived in one.
  • But, especially where the identity of the relevant comparator is a matter of dispute, this sequential analysis may give rise to needless problems.


Late 19th century: from Latin comparat- 'paired, matched', from the verb comparare (see compare) + -or1.

For editors and proofreaders

Syllabification: com·par·a·tor

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