Criterion is singular, meaning "a standard of judgment or criticism." Criteria is the Copyright ©2001 The McGraw-Hill Companies. Any use is subject to the Terms of Use and Privacy Policy. McGraw-Hill Higher Education is one of the many fine businesses of The design of the mechanism must meet fivecriteria.
Unacceptable
The first criteria is safety.
Acceptable
The first criterion is safety.
## criterion/criteria ##
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