/ Dictionary / Index B butanone: Meaning and Definition of Find definitions for: bu•ta•none Pronunciation: (byt'n-ōn"), [key] — n. Chem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: butanone (Thesaurus) butanol Butazolidin Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language