👉 A dehydrator, also known as a dehydrator or dehydration machine, is an appliance that uses heat to transfer liquid (usually water) from one container to another. It works by drawing moisture out of the container through a vacuum or a pressurized chamber and then rapidly removing it from the container, which results in a solid state of dry material. Dehydration machines are commonly used for food preservation, as well as for cleaning applications such as sterilization, disinfection, and decont