Definition of Antidote

Antidote: An agent that counteracts a poison and neutralizes its effects.

A chemical antidote is a substance that unites with a poison to form a harmless chemical compound. A mechanical antidote is a substance that prevents the absorption of a poison from the intestine into the body.

The word "antidote" is from the Greek antidotos which came from anti, against, + dotos, what is given = what is given against (something).

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