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 (kŏm′pə-rā′tər, kəm-păr′ə-)
Any of various instruments for comparing a measured property of an object, such as its shape, color, or brightness, with a standard.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (General Engineering) any instrument used to measure a property of a system by comparing it with a standard system
2. (Electronics) an electric circuit that compares two signals and gives an indication of the extent of their dissimilarity
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(kəmˈpær ə tər, ˈkɒm pəˌreɪ-)

1. any of various instruments for making comparisons, as of lengths, distances, or tints of colors.
2. a circuit for comparing two signals, as readings of duplicate information stored in a digital computer.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


[kəmˈpærətər] nélément m de comparaison
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
References in periodicals archive ?
M2 EQUITYBITES-August 8, 2019-Pilatus Comparator Solutions names new Vice President North America
The poster, 'Considerations in opioid comparator selection in epidemiology studies evaluating the effectiveness of abuse-deterrent opioids,' was presented during the CPDD scientific poster session on June 16.
"Whilst we remain mindful of macroeconomic uncertainty we continue to expect to deliver modest sales growth on an organic constant currency basis in 2019, with lower year on year sales in the first half reflecting the strong comparator period, and full year margins to show progress on 2018," Rotork explained in a statement.
Contrary to previous systematic and narrative reviews which were outdated or restricted to a specific comparator, this is the most comprehensive review incorporating economic evaluations over an extended period of time with quality assessed using a validated instrument.
Daewoong claimed one of the ministry's criteria for designating comparators is illegal, saying multinational drug makers have excessive control over the designation, by signing contracts with different Korean companies after their previous deals expire.
Dizziness was more common in PG groups, compared with active comparators (RR, 2.70; 95% CI, 1.25-5.83; NNH, 11), although the quality of evidence was very low.
The bill proposes a hierarchy of comparators --from the same employer, then a similar employer, then the same industry and finally from a similar industry.
In order to meet these necessities, this paper boons a sensorless control procedure grounded on Hysteretic comparator by relating the terminal voltages which are being identified indirectly from the terminal voltage detection method.
The basic functionality of a current comparator is to determine which of the two currents ([] or [I.sub.ref]) is greater and to present that decision as one of two voltage levels, established by the output's ([V.sub.out]) limiting values.
At this time, the situation is much the same as single-frequency input when the comparator output also has a number of different logic values.
The main aim of the research is to determine (by experiment) the dynamic characteristics of multibody mechanical systems of the angle comparator carriage on which optical system is attached to it and to compare the experiment with the results obtained by theoretical calculations.
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