from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An antibody formed in response to and capable of neutralizing a specific toxin of biological origin.
- n. An animal or human serum containing antitoxins. It is used in medicine to prevent or treat diseases caused by the action of biological toxins, such as tetanus, botulism, and diphtheria.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An antibody that is capable of neutralising specific toxins that are causative agents of disease.
from the GNU version of the Collaborative International Dictionary of English
- n. A substance (sometimes the product of a specific micro-organism and sometimes naturally present in the blood or tissues of an animal), capable of producing immunity from certain diseases, or of counteracting the poisonous effects of pathogenic bacteria.
from The Century Dictionary and Cyclopedia
- n. A substance which neutralizes the action of a toxin or poisonous ptomaine; specifically, a substance developed in the body of an animal by inoculation with the germs of diphtheria, which enables it to tolerate this poison.
- n. A substance which neutralizes the action of a poison.
- n. Specifically: The antibody to a toxin of bacterial or related origin which is produced as the result of immunization with the corresponding toxin. Examples are the diphtheria antitoxin and the tetanus antitoxin.
- n. In botany, a substance secreted by a plant which protects it against destructive microbes.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an antibody that can neutralize a specific toxin
From anti- + toxin (Wiktionary)