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:''Criteria redirects here. For the indie band see Criteria (band).''
A 'criterion' is a condition/rule which enables a choice, therefore upon which a decision or judgment can be based (the plural is ''criteria'').
Among articles whose title contains this word are the following:

★ The Criterion Collection, a series of collector's edition DVDs.

★ Criterion Technology, a company in Colorado.

★ Criterion Software, a game technology company.

★ Criterion Theatre, a theatre in London's West End.
In mathematics, a number of criteria are named after people:

★ Eisenstein's criterion

★ Euler's criterion

★ Weyl's criterion
In psychometrics, a criterion is used to validate test items:

★ Criterion validity

★ Criterion-referenced test