Definitions

1. noun

A substance or agent that counteracts or neutralizes the action of a medicine, especially an antidote that counteracts a poison.

“The doctor administered an antiphysic to neutralize the poison and save the patient’s life.”

2. noun

A substance used to treat or cure a disease or a condition, especially by neutralizing or countering its effects.

“The patient was given an antiphysic to counteract the symptoms of the flu.”