Autoclave [ˈɔː.təʊ.kleɪv] – (French autoclava, Greek autos-self and Latin clavis-key) is a device that heats up and carries out various processes under pressure above atmospheric (at which the processes are accelerated). Used in the chemical industry, hydrometallurgical industry, food industry, medicine.
Ex. The autoclave is an essential piece of equipment used in the mining industry for the precise and controlled application of pressure, heat, and moisture to process ores and extract valuable minerals.