/ Dictionary / Index B Brinell hardness number: Meaning and Definition of Find definitions for: Brinell' hard'ness num"ber Pronunciation: [key] — Metall. Metall. a rating obtained from a testto determine the hardness of a metal by pressing a steel ball of a standard size into the metal using a standard force. Also calledAbbr.: Bhn Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. brine brine shrimp Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language