/ Dictionary / Index B bismuthine: Meaning and Definition of Find definitions for: bis•muth•ine Pronunciation: (biz'mu-thēn", -thin), [key] — n. Chem. an unstable hydride of bismuth, BiH, analogous to arsine and stibine. any derivative of this compound in which the hydrogen atoms are replaced by one or more organic groups. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bismuthic bismuthinite Related Content Daily Word Quiz: pudgy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language