Dehydration means to take the water out or to dry out a food item.
Words used in cooking
Cooking terms are words and phrases that are used in the activity of cooking.
Cooking Terms and What They Mean - 1949 was released on: USA: 1949
Extracts, and emulsify are cooking terms that begin with the letter E.
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In cooking, a butterfly is term used in cutting the meat.
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It is a chocolate mousse.
Dredging, breading or coating are terms for flouring meats before cooking.
As regards hydration and dehydration of carbohydrates, the terms speak to the water content. We might also use these terms to state whether we are putting water into or taking outwater from a carbohydrate.
Saute, bake, and broil would be three of many cooking terms.
Your question doesn't provide us with the terms so there is no answer.