Medical Dictionary

guaifenesin

noun guai·fen·e·sin \g(w)ī-ˈfen-ə-sən\

Medical Definition of GUAIFENESIN

:  the glyceryl ether of guaiacol C10H14O4 that is used especially as an expectorant—called also glyceryl guaiacolate
May 07, 2015
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