/ Dictionary / Index N naphthalize: Meaning and Definition of Find definitions for: naph•tha•lize Pronunciation: (naf'thu-līz", nap'-), [key] — -lized, -liz•ing. to mix or saturate with naphtha. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. naphthalene naphthene Related Content Daily Word Quiz: wizened Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language