/ Dictionary / Index B byssinosis: Meaning and Definition of Find definitions for: bys•si•no•sis Pronunciation: (bis"u-nō'sis), [key] — n. Pathol. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. byrrus byssus Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language