/ Thesaurus / F Synonyms of furnace lining Find synonyms for: Noun1. furnace lining, refractory, lining, linerusage: lining consisting of material with a high melting point; used to line the inside walls of a furnaceWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language