Medical Dictionary

rosin


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
February 28, 2015
pontificate Hear it
To speak pompously or dogmatically
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