n. One who or that which sterilizes; especially, any apparatus for rendering substances free from living germs, as by means of heat. Also spelled steriliser.n. A washing-machine having a steam-tight vessel in which infected fabrics can be washed in boiling water, with or without disinfecting liquids, and through which live steam may be passed to kill all germs. It is also fitted with ventilating-pipes for carrying away odors.