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Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
Any substance that elicits an immune response; an antigen
Definition source: English Wiktionary via Wiktextract
Topics: immunology, medicine, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
any substance or organism that provokes an immune response (produces immunity) when introduced into the body
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: immunizing agent
Antonyms: none provided
Broader terms: antigen
Narrower terms: vaccine, vaccinum, toxin antitoxin
History
From immuno- + -gen.
