Autoclave

[Sarah]

A kind of French stewpan with a steamtight lid. Knight.

[Sarah]

Working on yourself in times of trouble to achieve something better than what you had before.

Improving yourself to achieve a higher goal

[Raeanne Dimick]

a piece of equipment that uses steam at high pressure to clean and remove all bacteria from objects used in medical operations and other equipment:

[Lanell]

A strong heated container used for chemical reactions and other processes using high pressures and temperatures, e.g. steam sterilization.