/ Dictionary / Index N nomenclature: Meaning and Definition of Find definitions for: no•men•cla•ture Pronunciation: (nō'mun-klā"chur, nō-men'klu-chur, -choor"), [key] — n. a set or system of names or terms, as those used in a particular science or art, by an individual or community, etc. the names or terms comprising a set or system. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nomenclature (Thesaurus) nomenclator nomenklatura Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language