Rosin, also called colophony or Greek pitch, is a solid form of resin obtained from pines and some other plants, mostly conifers, produced by heating fresh liquid resin to vaporize the volatile liquid terpene components. It is semi-transparent and varies in color from yellow to black.

What is rosin called in English?

rosin in British English

(ˈrɒzɪn ) noun. Also called: colophony. a translucent brittle amber substance produced in the distillation of crude turpentine oleoresin and used esp in making varnishes, printing inks, and sealing waxes and for treating the bows of stringed instruments.

What is rosin for a violin?

Rosin is a solid form of resin, the sticky substance that comes from trees that is not unlike sap. ... Violin rosin is made by heating fresh liquid resin, until it becomes solid. It smells a bit like pine and has a glassy, orange look.