Standard Lemma guide

autoantigen

noun · 1 senses · updated from the 2026-07-25 local source snapshot

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.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

noun

Meaning 1

Any antigen that stimulates autoantibodies in the organism that produced it; an antigen produced by the self (that is, by one's own tissues).

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *h2ewder.? Proto-Indo-European *sóder.? Proto-Indo-European *h2ewder. Ancient Greek αὖ (aû) Ancient Greek τόν (tón)? Ancient Greek αὐτός (autós) Ancient Greek αὐτο- (auto-)lbor. English auto- English antigen English autoantigen From auto- + antigen.