Medical Dictionary

rosin

noun ros·in \ˈräz-ən, ˈrz-\

Definition of ROSIN

:  a translucent amber-colored to almost black brittle friable resin that is obtained from the oleoresin or dead wood of pine trees or from tall oil and is used in pharmacology as an adhesive constituent in plasters, cerates, and ointments—called also colophony
March 27, 2015
quiescent Hear it
Tranquilly at rest or causing no trouble
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