/ Thesaurus / S Synonyms of soldering iron Find synonyms for: Noun1. soldering iron, hand toolusage: a hand tool with a heatable tip; used to melt and apply solderWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language