/ Dictionary / Index B Bragg's law: Meaning and Definition of Find definitions for: Bragg's' law' Pronunciation: [key] — Physics. Physics. the law that the intensity of a crystal reflection of an x-ray is a function of the angle that is the complement of the angle of incidence of the x-ray. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Bragg scattering Bragi 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