/ Dictionary / Index D decane: Meaning and Definition of Find definitions for: dec•ane Pronunciation: (dek'ān), [key] — n. Chem. a hydrocarbon, CH, of the methane series, occurring in several isomeric forms. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. decanal decani Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language