expectorant ex·pec·to·rant (ĭk-spěk'tər-ənt)
adj.
Promoting or facilitating the secretion or expulsion of phlegm, mucus, or other matter from the respiratory tract. n.
An expectorant medicine.
| expectorant (ĭk-spěk'tər-ənt) Pronunciation Key
A drug that promotes the discharge of phlegm or mucus from the respiratory tract. |