Food / Fruit dryers are also called dehydrator, drying oven, dryer or fruit dryer etc. These devices make it possible to slowly dehydrate fruit , vegetables, herbs, meat, fish, etc. (= food drying) , which means that they will stay good for many times longer. But of course, it's not just about the shelf life. Dehydrating fruit makes it easy to make delicious fruit leather or fruit chips. Yummy!