ROGET THESAURUS
bitumen
Resin
N
resin, rosin, gum, lac, sealing wax, amber, ambergris,
bitumen, pitch, tar, asphalt, asphaltum, camphor, varnish, copal, mastic, magilp, lacquer, japan, artificial resin, polymer, ion-exchange resin, cation-exchange resin, anion exchange resin, water softener, Amberlite, Dowex, Diaion, resiny, resinous, bituminous, pitchy, tarry, asphaltic, asphaltite.