feminization

https://doi.org/10.1351/goldbook.10709
Development of female characteristics as part of normal female maturation, or, in a male, pathologically as a result of endocrine imbalance.
Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 754 (https://doi.org/10.1515/pac-2015-1202)