Noun
English Wikipedia has an article on:chemical castrationWikipedia
chemical castration (countable and uncountable, plural chemical castrations)
A medical treatment using a anaphrodisiacal hormonal drug to inhibit the function of a man's testes, intended to have the same effect on the sex drive as surgical castration. It is typically used on sex offenders as a punishment and/or preventative measure, or on people wishing to undergo male-to-female transsexualism.