nonfunctioning

[ fuhngk-shuh n ]SEE DEFINITION OF nonfunctioning
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD ORIGIN

1530s, "proper work or purpose," from Middle French fonction (16c.) and directly from Latin functionem (nominative functio) "performance, execution," noun of action from functus, past participle of fungi "perform, execute, discharge," from PIE root *bheug- (2) "to use, enjoy" (see brook (v.)). Use in mathematics probably begun by Leibnitz (1692).

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Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.