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Medical Dictionary

rosin

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noun ros·in \ˈräz-ən, ˈrȯz-\

Medical Definition of rosin

  1. :  a translucent amber-colored to almost black brittle friable resin that is obtained from the oleoresin or deadwood 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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a division or portion of a pool or whole

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