/ Dictionary / Index A alumino-: Meaning and Definition of Find definitions for: alumino- Pronunciation: [key] a combining form ofused esp. before a consonant: aluminosilicate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. aluminize aluminography 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