Definition: any of a class of solid or semisolid viscous substances obtained either as exudations from certain plants or prepared by polymerization of simple molecules
Similar words: organic compound
Definition: any compound of carbon and another element or a radical
Synonyms: rosin
Definition: rub rosin onto
Usage: rosin the violin bow
Similar words: rub
Definition: move over something with pressure
Usage: rub my hands; rub oil into her skin