Breadcrumb Home > Thesaurus > U Synonyms of uracil Find synonyms for: Noun 1. uracil, U, nucleotide, base usage: a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of uracil (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: serendipity Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language