guai·​fen·​e·​sin g(w)ī-ˈfen-ə-sən How to pronounce guaifenesin (audio)
: the glyceryl ether of guaiacol C10H14O4 that is used especially as an expectorant

called also glyceryl guaiacolate

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Cite this Entry

“Guaifenesin.” Medical Dictionary, Merriam-Webster, Accessed 27 May. 2024.

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