/ Dictionary / Index B B-axis: Meaning and Definition of Find definitions for: B-ax•is Pronunciation: (bē'ak"sis), [key] — pl. B-ax•es the horizontal crystallographic axis that is in a right-left position. Cf. A-axis, C-axis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Bax Baxter Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language