/ Dictionary / Index O 1-naphthol: Meaning and Definition of Find definitions for: 1-naph•thol Pronunciation: (wun'naf'thôl, -thol, -nap'-), [key] — n. Chem. alpha-naphthol. See under naphthol. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. one-many oneness Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language