Definitions for: Toxoid

[n] a bacterial toxin that has been weakened until it is no longer toxic but is strong enough to induce the formation of antibodies and immunity to the specific disease caused by the toxin; "diphtheria toxoid"

Webster (1913) Definition: Tox"oid, n. [Toxin + -oid.] (Physiol. Chem.)
An altered form of a toxin, possessing little or no toxic
power.

Synonyms: anatoxin

See Also: antigen, bacterial toxin