/ Dictionary / Index H hexane: Meaning and Definition of Find definitions for: hex•ane Pronunciation: (hek'sān), [key] — n. any of five isomeric hydrocarbons having the formula CH, of the alkane series, some of which are obtained from petroleum: used as solvents and chemical intermediates and in fuels. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hexane (Thesaurus) hexanaphthene hexanedioic acid Related Content Daily Word Quiz: voracious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language