Medical Dictionary

rosin

noun ros·in \ˈräz-ən, ˈrz-\

Medical 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

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May 27, 2015
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