/ Thesaurus / D Synonyms of duodecimal notation Find synonyms for: Noun1. duodecimal notation, mathematical notationusage: any notation that uses 12 different charactersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language