expellant

ex·pel·lant

also ex·pel·lent E0285100 (ĭk-spĕl′ənt)adj. Expelling or tending to expel.

expellant

(ɪkˈspɛlənt) or

expellent

adjforcing out or having the capacity to force outn (Medicine) a medicine used to expel undesirable substances or organisms from the body, esp worms from the digestive tract