Breadcrumb Home > Dictionary > Index A aluminium: Meaning and Definition of Find definitions for: al•u•min•i•um Pronunciation: (al"yu-min'ē-um), [key] — n., adj. Chiefly Brit. aluminum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aluminium (Thesaurus) aluminite aluminize ✖ Related Content Daily Word Quiz: donnybrook Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language