autoantigen
noun
autoantigen is a noun meaning “Any antigen that stimulates autoantibodies in the organism that produced it; an antigen produced by the self (that is, by one's own tissues)” (English Wiktionary, September 2026). It is spelled A-U-T-O-A-N-T-I-G-E-N, and it appears about once in every 78 million words in written English (wordfreq, 2021 data). The plural of autoantigen is autoantigens.
What does autoantigen mean?
noun
- 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).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of autoantigen
- autoantigens plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is autoantigen?
Autoantigen appears about once in every 78 million words in written English, the 279,513th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Where does autoantigen come from?
From auto- + antigen.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).