Definition of autopoisoning in English:
autopoisoning
nounˌɔːtə(ʊ)ˈpɔɪz(ə)nɪŋˌɔːtə(ʊ)ˈpɔɪznɪŋ
1Medicine= "autointoxication" (rare).
2Chemistry the inactivation of a catalyst by a substrate; the slowing or blocking of a chemical reaction by this means; frequently attributive.