chemical castration

noun

Medical Definition of chemical castration 

: the administration of a drug (such as medroxyprogesterone acetate) to bring about a marked reduction in the body's production of androgens and especially testosterone

Note: Chemical castration may be used to reduce the sexual urges of sex offenders (such as pedophiles) and in the treatment of prostate cancer, where it is typically called androgen deprivation therapy.

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