Standard Lemma guide

autoantibody

noun · 2 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

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1

noun

Meaning 1

An antibody formed in response to an agent (autoantigen) produced by the organism itself.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an antibody acting against tissues of the organism that produces it

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: antibody

Narrower terms: rheumatoid factor

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 antibody English autoantibody From auto- + antibody.

Across languages

Translations

7 source translations are retained for this English entry.

  • French: autoanticorps — Translations
  • Greek: αυτοαντίσωμα (aftoantísoma) — Translations
  • Hungarian: autoantitest — Translations
  • Indonesian: autoantibodi — Translations
  • Italian: autoanticorpo — Translations
  • Portuguese: autoanticorpo — Translations
  • Spanish: autoanticuerpo — Translations