sterilisation

Noun	1.	sterilisation - the act of making an organism barren or infertile (unable to reproduce) Synonyms: sterilization
	2.	sterilisation - the procedure of making some object free of live bacteria or other microorganisms (usually by heat or chemical means) Synonyms: sterilization

altering, desex, desexualise, desexualize, fix, fixing, neutering, operation, sterilise, sterilization, sterilize, surgery, surgical contraception, surgical operation, surgical procedure, surgical process, unsex