/ Dictionary / Index S subacetate: Meaning and Definition of Find definitions for: sub•ac•e•tate Pronunciation: (sub-as'i-tāt"), [key] — n. Chem. a basic salt of acetic acid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sub subacid 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