/ Thesaurus / L Synonyms of lead arsenate Find synonyms for: Noun1. lead arsenate, insecticide, insect powderusage: a poisonous white solid (Pb3[AsO4]2) used as an insecticideWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: frowzy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language