guaifenesin
noun
guai·fen·e·sin
g(w)ī-ˈfen-ə-sən 
: the glyceryl ether of guaiacol C10H14O4 that is used especially as an expectorant
called also glyceryl guaiacolate
Cite this Entry
“Guaifenesin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/guaifenesin. Accessed 18 Jul. 2025.
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