from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Expelling or tending to expel.
from The Century Dictionary and Cyclopedia
- Expelling or having the power to expel: as, an expellant medicine.
- n. That which expels: as, calomel is a powerful expellant.
Sorry, no etymologies found.
One late sixteenth-century commentator on America recommended it as a purge for superfluous phlegm; and smokers believed it functioned as an antidote for poisons, as an expellant for "sour" humors, and as a healer of wounds.