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n. pl. cri·te·ri·a (-tîr′ē-ə) or cri·te·ri·ons
A standard, rule, or test on which a judgment or decision can be based.

[Greek kritērion, from kritēs, judge, from krīnein, to separate, judge; see krei- in Indo-European roots.]

cri·te′ri·al (-əl) adj.
Usage Note: Like phenomenon, criterion comes directly from Greek and is singular. In standard usage, the plural is generally criteria, although criterions is sometimes used as well. Properly speaking, the form criteria should never be a singular noun, and phrases like this criteria and single criteria are widely viewed as erroneous. Similarly, the plural criterias is also viewed as a mistake and is usually edited out of published prose.
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.


n, pl -ria (-rɪə) or -rions
1. a standard by which something can be judged or decided
2. (Philosophy) philosophy a defining characteristic of something
[C17: from Greek kritērion from kritēs judge, from krinein to decide]
Usage: Criteria, the plural of criterion, is not acceptable as a singular noun: this criterion is not valid; these criteria are not valid
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(kraɪˈtɪər i ən)

n., pl. -te•ri•a (-ˈtɪər i ə)
a standard of judgment or criticism; a rule or principle for evaluating or testing something.
[1605–15; < Greek kritḗrion a standard =kri-, variant s. of krinein to separate, decide + -tērion neuter suffix of means (akin to Latin -tōrium -tory2)]
cri•te′ri•al, adj.
usage: Like some other nouns borrowed from the Greek, criterion has both a Greek plural, criteria, and a plural formed on the English pattern, criterions. The plural in -a occurs with far greater frequency: These are the criteria for the selection of candidates. Although criteria is sometimes used as a singular, esp. in speech, it is most often used as a plural in Standard English. See also media1, phenomenon.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.



(See also TEST.)

acid test Any crucial or conclusive test to judge value or genuineness; the “real” test. The term is an extension of a chemical test using nitric acid or aqua fortis, as it is sometimes called, to determine the gold content of jewelry. Used literally in 1892 in G. F. Gee’s The Jeweller’s Assistant, the expression was first used in its figurative sense in 1912:

Few professional beauties could have stood, as this woman did, the acid test of that mercilessly brilliant morning. (L. J. Vance, Destroying Angel, 1912)


bench mark A standard or touchstone against which to measure; a criterion or test. A bench mark is literally a surveyor’s arrow-shaped mark indicating a given elevation used as a point of reference in measuring other elevations. According to the OED the name comes from the way a surveyor’s angle-iron forms a bracket or bench to support the leveling-staff when taking a reading. The term was used figuratively as early as 1884 in Science:

These star-places … are the reference-points and benchmarks of the universe.

landmark decision A verdict issued by a high court (e.g., the Supreme Court) which determines the direction or disposition of a previously untried issue; a precedent-setting ruling. Traditionally, a landmark is a guide for direction in one’s course, or, metaphorically, an event that marks a turning point in history. As an adjective, landmark has come to describe any decision or legislation of such significance that it will serve as a guide or criterion in similar matters in the future.

play in Peoria To be accepted by the common man of “Middle America.” Peoria, a small town in central Illinois, has come to represent traditional, down-to-earth American values, perhaps originally from the experiences of traveling theater troupes in playing to small town audiences. Today the expression is most often heard in the political context; “playing in Peoria” successfully has become the touchstone for determining an idea’s appeal to the American public at large.

Procrustean bed An arbitrary system or standard to which ideas, facts, etc., are forced to conform. In Greek mythology, the robber Procrustes made his victims fit the length of his bed by stretching or amputating their limbs. Thus, to stretch or place on the bed of Procrustes is to produce conformity by violent, irrational means. Figurative use of Procrustean bed dates from the 16th century.

Neither must we attempt to confine the Platonic dialogue on the Procrustean bed of a single idea. (Benjamin Jowett, tr., The Dialogues of Plato, 1875)

the proof of the pudding is in the eating A proverbial admonition against passing judgment on something without first examining the evidence or facts; often shortened to the proof of the pudding. Another popular proverb conveying basically the same message is the imperative don’t judge a book by its cover.

rule of thumb A rough guide or approximate measurement; a practical criterion or standard. The thumb’s breadth was formerly used in measurements to approximate one inch. Since such reckoning was imprecise and unscientific, rule of thumb has come also to indicate a guideline resulting from instinct rather than from scientific investigation. The phrase has been in figurative use for nearly three centuries.

What he doth, he doth by rule of thumb, and not by Art. (Sir William Hope, The Compleat Fencing-Master, 1692)

sounding board A person to whom new concepts and ideas are presented for his reaction or opinion. A sounding board is a structure which reflects sound back to an audience. Its figurative usage was illustrated in Atlantic, as cited by Webster’s Third:

… use the newspapermen merely as a sounding board.

touchstone A criterion or test; a standard or measure. A touchstone is literally a smooth, black, siliceous stone used to test the purity of gold and silver alloys. By rubbing the alloy on the stone and analyzing the color of the streak on the stone, the gold or silver content can be determined. The term was used both literally and figuratively as early as the mid-15th century.

trial balloon Literally, a balloon which is used to test air currents and wind velocity. By extension, a trial balloon is any specific proposal, statement, etc., used to test public reaction by provoking feedback.

Picturesque Expressions: A Thematic Dictionary, 1st Edition. © 1980 The Gale Group, Inc. All rights reserved.


A criterion is a standard by which you judge or evaluate something.

The most important criterion for entry is that applicants must design their own work.

The plural of criterion is criteria.

The Commission did not apply the same criteria to advertising.
Collins COBUILD English Usage © HarperCollins Publishers 1992, 2004, 2011, 2012
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.criterion - a basis for comparison; a reference point against which other things can be evaluated; "the schools comply with federal standards"; "they set the measure for all subsequent work"
benchmark - a standard by which something can be measured or judged; "his painting sets the benchmark of quality"
earned run average, ERA - (baseball) a measure of a pitcher's effectiveness; calculated as the average number of earned runs allowed by the pitcher for every nine innings pitched
GPA, grade point average - a measure of a student's academic achievement at a college or university; calculated by dividing the total number of grade points received by the total number attempted
procrustean bed, procrustean rule, procrustean standard - a standard that is enforced uniformly without regard to individuality
yardstick - a measure or standard used for comparison; "on what kind of yardstick is he basing his judgment?"
medium of exchange, monetary system - anything that is generally accepted as a standard of value and a measure of wealth in a particular country or region
system of measurement, metric - a system of related measures that facilitates the quantification of some particular characteristic
graduated table, ordered series, scale, scale of measurement - an ordered reference standard; "judging on a scale of 1 to 10"
standard of measurement, gauge - accepted or approved instance or example of a quantity or quality against which others are judged or measured or compared
baseline - an imaginary line or standard by which things are measured or compared; "the established a baseline for the budget"
norm - a standard or model or pattern regarded as typical; "the current middle-class norm of two children per family"
2.criterion - the ideal in terms of which something can be judged; "they live by the standards of their community"
control condition, control - a standard against which other conditions can be compared in a scientific experiment; "the control condition was inappropriate for the conclusions he wished to draw"
ideal - the idea of something that is perfect; something that one hopes to attain
design criteria - criteria that designers should meet in designing some system or device; "the job specifications summarized the design criteria"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


noun standard, test, rule, measure, principle, proof, par, norm, canon, gauge, yardstick, touchstone, bench mark Exam results shouldn't be the only criterion for your choice of school.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002


A means by which individuals are compared and judged:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
مِعْيارمِعْيار، مِقياس
forsenda; viîmiîun
tiêu chí


[kraɪˈtɪərɪən] N (criterions or criteria (pl)) [kraɪˈtɪərɪə]criterio m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005


[kraɪˈtɪərɪən] [criteria] [kraɪˈtɪərɪə] (pl) ncritère m
selection criteria → critères de sélection
eligibility criteria → critères d'éligibilité
to meet the criteria for sth → répondre aux critères de qch
Collins English/French Electronic Resource. © HarperCollins Publishers 2005


n pl <criteria> → Kriterium nt; then, by the same criterion, he is guilty toodann ist er ebenso schuldig
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007


[kraɪˈtɪərɪən] n (criteria (pl)) [kraɪˈtɪərɪə]criterio
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995


(kraiˈtiəriən) plural criˈteria (-ə) noun
a standard used or referred to in judging something. What are your criteria for deciding which words to include in this dictionary?
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.


مِعْيار kritérium kriterium Kriterium κριτήριο criterio kriteeri critère kriterij criterio 基準 기준 criterium kriterium kryterium critério критерий kriterium เกณฑ์ ölçüt tiêu chí 标准
Multilingual Translator © HarperCollins Publishers 2009
References in classic literature ?
of impressions) in thinking and reasoning." His immediately following observations, however, show the inadequacy of his criteria of "force" and "faintness." He says:
Now, it is clear that the book with the most mysterious, startling, or suggestive title, will always stand the best chance of being purchased by those who have no other criteria to guide them in their choice than the aspect of a title-page; and this explains why "Thus Spake Zarathustra" is almost always the first and often the only one of Nietzsche's books that falls into the hands of the uninitiated.
There are no external criteria by which we can determine the date of the Meno.
Chicago: Fitch Rating's revised criteria include changes to the way that Fitch evaluates recovery prospects for subordinated tranches in EETC transactions.
Several diagnostic or classification criteria for IIM have been developed.[2],[3],[4],[5] Classification criteria are mostly used in research and clinical trials, not daily in practice.
THE REVISED MCDONALD CRITERIA for multiple sclerosis has led to more diagnoses in patients with clinically isolated syndrome, but a new study of the criteria has suggested that they may lead to a number of false-positive MS diagnoses among patients with a less severe disease state.
MONDAY, April 23, 2018 (HealthDay News) -- Targeted diabetes screening based only on age and weight criteria will identify approximately half of U.S.
CHICAGO -- A streamlined set of diagnostic criteria from the American Academy of Dermatology's most recent consensus criteria for diagnosing atopic dermatitis (AD) produced a specificity of more than 95%, and was also highly sensitive, a prospective analysis found.
A common mistake, the improper weighting of criteria, often reduces the value of the results of the decision support matrix by yielding incorrect results.
"Over the past several months, we published six requests for comment (RFCs) outlining our proposed criteria for rating NBFI and FSC.
JAMA Psychiatry has published a new NCBDDD study: "Potential impact of DSM-5 criteria on autism spectrum disorder (ASD) prevalence estimates." Researchers found that estimates of the number of children with ASD might be lower using the current Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) criteria than using the previous Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision (DSM-IV-TR) criteria.
WASHINGTON--The new Diagnostic and Statistical Manual of Mental Disorders criteria for autism spectrum disorder might significantly affect the diagnosis of ASD in very young children, a retrospective analysis has shown.