Breadcrumb Home > Thesaurus > G Synonyms of guanine Find synonyms for: Noun 1. guanine, G, purine usage: a purine base found in DNA and RNA; pairs with cytosine WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of guanine (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: sottovoce Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language