Deobstruent :: Deobstruent (a.) Removing obstructions; having power to clear or open the natural ducts of the fluids and secretions of the body; aperient.
Deobstruent :: Deobstruent (n.) A medicine which removes obstructions; an aperient.
Obstruent :: Obstruent (n.) Anything that obstructs or closes a passage; esp., that which obstructs natural passages in the body; as, a medicine which acts as an obstruent..