#autoclave__sterilizer__steriliser  a tank-like device for heating substances above their boiling point; used to manufacture chemicals or sterilize surgical instruments
  supertype:  vessel  an object used as a container (especially for liquids)
  subtype:  digester  autoclave consisting of a vessel in which plant or animal materials are digested
  subtype:  pressure_cooker  autoclave for cooking at temperatures above the boiling point of water

No statement uses or specializes autoclave; click here to add one.