WordReference Random House Unabridged Dictionary of American English © 2026
au•to•an•ti•gen
(ô′tō an′ti jən, -jen′),USA pronunciation n. [Immunol.]
- Immunologyan antigen of one's own cells or cell products. Also called self-antigen.
- auto-1 + antigen
'autoantigen' also found in these entries (note: many are not synonyms or translations):