'Feminization' definitions:

Definition of 'feminization'

From: WordNet
noun
The process of becoming feminized; the development of female characteristics (loss of facial hair or breast enlargement) in a male because of hormonal disorders or castration [syn: feminization, feminisation]

Definition of 'Feminization'

From: GCIDE
  • Feminization \Fem`i*ni*za"tion\, n. The act of feminizing, or the state of being feminized. [1913 Webster]