rosin definition by Webster's New World
the hard, brittle resin, light-yellow to almost black in color, remaining after oil of turpentine has been distilled from crude turpentine or obtained from chemically treated pine stumps: it is used in making varnish, inks, soaps, insulation, etc., and is rubbed on violin bows to prevent slipping on the strings, or on the hands to prevent slipping on gymnastic equipment, etc.
Origin: Middle English altered ; from Middle French resine, resin
to rub with rosin
rosin definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A translucent yellowish to dark brown resin derived from the stumps or sap of various pine trees and used to increase sliding friction, as on the bows of certain stringed instruments, and to manufacture a wide variety of products including varnishes, inks, linoleum, adhesives, and soldering compounds.transitive verb ros·ined, ros·in·ing, ros·ins
To coat or rub with rosin.
Origin: Middle English, variant of resin; see resin.
- rosˈin·y adjective
rosin - Medical Definition
A translucent yellowish to dark brown resin derived from the stumps or sap of various pine trees and used as an adhesive in plasters and as a stimulant in ointments.