/ Thesaurus / B Synonyms of b battery Find synonyms for: Noun1. B battery, battery, electric batteryusage: battery for supplying a constant positive voltage to the plate of a vacuum tubeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language