estrinization
noun
es·trin·iza·tion
| \ ˌes-trən-ə-ˈzā-shən, -ˌī-ˈzā-
\
\
variants:
or chiefly British oestrinization \ ˌē-strin-
\
\
Medical Definition of estrinization
1
: the uterine and vaginal mucosal alteration characteristic of estrus
2
: treatment with estrogenic substances