/ Dictionary / Index B butadiene: Meaning and Definition of Find definitions for: bu•ta•di•ene Pronunciation: (by"tu-dī'ēn, -dī-ēn'), [key] — n. Chem. a colorless, flammable gas, CH, soluble in alcohol but not in water, usually derived from butane or butene: used chiefly in the manufacture of rubber and paint, and in organic synthesis. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: butadiene (Thesaurus) butabarbital sodium butane Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language