Breadcrumb Home > Dictionary > Index A angle of refraction: Meaning and Definition of Find definitions for: an'gle of refrac'tion Pronunciation: [key] — Physics, Optics. Physics,Optics. the angle between a refracted ray and a line drawn normal to the interface between two media at the point of refraction. See diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. angle of reflection angle of repose TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: minatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language