Definition of comparator in English:


Line breaks: com|para|tor
Pronunciation: /kəmˈparətə


  • 1A device for comparing something measurable with a reference or standard.
    More 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.
    More 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: even taking the most favourable comparator the company is about 20 per cent higher
    More 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.

More definitions of comparator

Definition of comparator in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
elaborate ornamentation of a vocal melody