/ Dictionary / Index A alpha-beta brass: Meaning and Definition of Find definitions for: al'pha-be'ta brass" Pronunciation: (al'fu-bā'tu, -bē'-), [key] an alloy of from 55 to 61 percent copper with from 39 to 45 percent zinc. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. alphabet alphabet code Related Content Daily Word Quiz: jugular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language