noun / adjective
expectorant
ik-SPEK-ter-unt/ɪkˈspektərənt/
Aiding the clearing of mucus from the airways.
This expectorant helps you cough up mucus from your airways.

Etymology
Driving something “out of the breast” was used figuratively for expelling it from the mind. In medicine, this became literal chest-clearing: an expectorant helps bring mucus out of the airways.
In context
Pinocamphone is exactly why the herb functions as such a powerful expectorant, actually helping to clear mucus right out of the lungs
More examples
- Ask your pharmacist whether an expectorant could help your cough.
- Not all cough medicines are expectorants.
- The label lists guaifenesin as the syrup's expectorant ingredient.
Forms
expectorant · expectorants
expectorate verb — To cough mucus out of the airways.
expectoration noun — The act of coughing mucus out.
Similar words
- mucolytic
- Specifically thins mucus rather than broadly helping clear it.