/ Dictionary / Index N nuciform: Meaning and Definition of Find definitions for: nu•ci•form Pronunciation: (n'su-fôrm", ny'-), [key] — adj. nut-shaped. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nuci- nuclear Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language