/ Thesaurus / S Synonyms of sodium chlorate Find synonyms for: Noun1. sodium chlorate, saltusage: a colorless salt (NaClO3) used as a weed killer and an antisepticWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language