Breadcrumb Home > Dictionary > Index B boson: Meaning and Definition of Find definitions for: bo•son Pronunciation: (bō'son), [key] — n. Physics. any particle that obeys Bose-Einstein statistics: bosons have integral spins: 0, 1, 2, … Cf. fermion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: boson (Thesaurus) bosomy Bosporus ✖ Related Content Daily Word Quiz: evanescent Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language