Standard Lemma guide
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
A substance that produces an immune response in the presence of light
Definition source: English Wiktionary via Wiktextract
Topics: immunology, medicine, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From photo- + antigen.
