/ Dictionary / Index B basic anhydride: Meaning and Definition of Find definitions for: ba'sic anhy'dride Pronunciation: [key] — Chem. Chem. See under(def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. basically Basic Assembly Language 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