Breadcrumb Home > Thesaurus > Q Synonyms of quantum Find synonyms for: Noun 1. quantum, quantity usage: a discrete amount of something that is analogous to the quantities in quantum theory 2. quantum, measure, quantity, amount usage: (physics) the smallest discrete quantity of some physical property that a system can possess (according to quantum theory) WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of quantum (Dictionary) 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: jingoism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language