/ Dictionary / Index N nucleate: Meaning and Definition of Find definitions for: nu•cle•ate Pronunciation: (adj.n'klē-it, -āt", ny'-v.n'klē-āt", ny'-), [key] — adj., v., -at•ed, -at•ing. —adj. having a nucleus. —v.t. to form (something) into a nucleus. —v.i. to form a nucleus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nucleate (Thesaurus) nuclease nuclei Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language