Hormone defeminized is the divest of feminine traits, qualities, or characteristics by the activity of specific hormone.
Please, read in:
Bloch GJ, Mills R, and Gale S.1995. Prepubertal testosterone treatment of female rats: defeminization of behavioral and endocrine function in adulthood.Neurosci Biobehav Rev.,19(2):177-86.
changing in sex of some type of animal according to different reasons, behavioral changes to reproduction especially when a sex not found in a special space prepared to reproduction.