(n.) Any one of a class of yellowish brown solid inflammable substances, of vegetable origin, which are nonconductors of electricity, have a vitreous fracture, and are soluble in ether, alcohol, and essential oils, but not in water; specif., pine resin (see Rosin).
Thesaurus Entries
Canada balsam, Sonora lac, acacia, agar, amber, ambergris, ammoniac, amyrin, anime, balsam, bassorin, benjamin, benzoin, camphor, carob gum, carrageenin, chewing gum, chicle, colophony, copaiba, copal, copaline, dammar, elemi, euphorbium, frankincense, ghatti, guacin, guaiac, guaiacum, guar gum, gum, gum ammoniac, gum anime, gum arabic, gum archipin, gum benjamin, gum butea, gum copal, gum dammar, gum elemi, gum juniper, gum kauri, gum kino, gum labdanum, gum myrrh, gum opoponax, gum resin, gum rosin, gum sagapenum, gum sandarac, gum shellac, gum storax, gum-lac, gutta-percha, kino, labdanum, lac, lacquer, mastic, myrrh, oleoresin, olibanum, pitch, quince-seed gum, resinate, resinize, resins, rosin, sagapenum, sandarac, shellac, sterculia gum, storax, tragacanth
