anesthetic
US /ˌæn.əsˈθet̬.ɪk/
UK /ˌæn.əsˈθet̬.ɪk/

1.
a substance that induces insensitivity to pain
:
•
The dentist administered a local anesthetic before the extraction.
•
General anesthetic is used for major surgeries.
a substance that induces insensitivity to pain