/ Dictionary / Index A aluminate: Meaning and Definition of Find definitions for: a•lu•mi•nate Pronunciation: (u-l'mu-nit", -nāt"), [key] — n. a salt of the acid form of aluminum hydroxide, containing the group AlO or AlO. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aluminate (Thesaurus) alumina cement alumina trihydrate Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language