rosin; the residue left after the distillation of oil of turpentine from liquid resin. Used in pharmaceutical preparations, soldering fluxes, and by violinists
{i} (Chemistry) yellowish or brownish resin derived from pine oleoresin or wood (commonly used in varnishes, ink and as a treatment for the bow of some musical instruments), rosin
translucent brittle substance produced from pine oleoresin; used especially in varnishes and inks and on the bows of stringed instruments