Breadcrumb Home > Thesaurus > P Synonyms of plumbago Find synonyms for: Noun 1. graphite, black lead, plumbago, carbon, C, atomic number 6 usage: used as a lubricant and as a moderator in nuclear reactors 2. plumbago, herb, herbaceous plant usage: any plumbaginaceous plant of the genus Plumbago WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of plumbago (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: mantra Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language