analgesia

noun3

1. •
   The inability to feel pain.
2. •
   A process of temporarily reducing the ability to feel pain; the provision of this service.

   • This office procedure is quick and straightforward, but it does require some analgesia.
3. •
   (nonstandard) A medication that performs this action: one that relieves pain.

   • She was able to take analgesia orally.