Breadcrumb Home > Thesaurus > D Synonyms of dirac Find synonyms for: Noun 1. Dirac, Paul Adrien Maurice Dirac usage: English theoretical physicist who applied relativity theory to quantum mechanics and predicted the existence of antimatter and the positron (1902-1984) WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of dirac (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: calumny Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language