Adjacent Words

toxoid definitions

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WordNet (r) 3.0 (2005)

n
1: 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" [syn: anatoxin, toxoid]

Merriam Webster's

noun Etymology: International Scientific Vocabulary Date: circa 1894 a toxin of a pathogenic organism treated so as to destroy its toxicity but leave it capable of inducing the formation of antibodies on injection

Webster's 1913 Dictionary

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