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n. rosin; the residue left after the distillation of oil of turpentine from liquid resin. Used in pharmaceutical preparations, soldering fluxes, and by violinists.

n. Rosin.

n. A solid, amorphous substance, of an amber or blackish-brown color, left after distilling crude turpentine with water; common resin, or rosin.

n. translucent brittle substance produced from pine oleoresin; used especially in varnishes and inks and on the bows of stringed instruments

"Iron to be buried in damp earth may be painted with a mixture of 100 parts of resin (colophony), 25 parts of gutta-percha, and 50 parts of paraffin, to which 20 parts of magnesia and some mineral oil have been added."

natural resin   

rosin