Breadcrumb Home > Dictionary > Index D dioptrics: Meaning and Definition of Find definitions for: di•op•trics Pronunciation: (dī-op'triks), [key] — n. (used with a sing. v.) the branch of geometrical optics dealing with the formation of images by lenses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dioptric Dior TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: apotheosis Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language