Breadcrumb Home > Thesaurus > O Synonyms of optics Find synonyms for: Noun 1. optics, physics, natural philosophy usage: the branch of physics that studies the physical properties of light 2. optics, property usage: optical properties; "the optics of a telescope" Noun 1. optics, physics, natural philosophy usage: the organ of sight WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of optics (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language