Obtundent

noun

1. Dulling; blunting.
2. A mucilaginous, oily, bland substance employed to protect parts from irritation: nearly the same as demulcent.
3. In dentistry, a medicine used to blunt or deaden the nerves of a tooth.
4. A substance which sheathes a part, or blunts irritation, usually some bland, oily, or mucilaginous matter; -- nearly the same as demulcent.
5. A substance which sheathes a part, or blunts irritation, usually some bland, oily, or mucilaginous matter; – nearly the same as demulcent.