- sterilization, sterilisation - the act of making an organism barren or infertile (unable to reproduce)
--1 is a kind of operation, surgery, surgical operation, surgical procedure, surgical process
--1 has particulars: neutering, fixing, altering; surgical contraceptionDerived form: verb sterilize2 - sterilization, sterilisation - the procedure of making some object free of live bacteria or other microorganisms (usually by heat or chemical means)
--2 is a kind of cleaning, cleansing, cleanup
--2 has particulars: pasteurization, pasteurisationDerived form: verb sterilize1