antitoxin

noun

1. a substance, formed in the body, that counteracts a specific toxin.
2. the antibody formed in immunization with a given toxin, used in treating certain infectious diseases or in immunizing against them.

noun

1. an antibody that neutralizes a toxin
2. blood serum that contains a specific antibody

n.

1. An antibody formed in response to and capable of neutralizing a specific biological toxin.
2. Serum containing antitoxins that is used to prevent or treat diseases caused by biological toxins, such as tetanus and diphtheria.

1. An antibody formed in response to and capable of neutralizing a specific toxin of biological origin. Compare toxin.
2. An animal or human serum containing antitoxins, used to prevent or treat diseases caused by biological toxins, such as tetanus, botulism, and diphtheria.