Step 1: Understanding the Concept:
The question asks for the specific term for the removal of water content from food.
Step 2: Detailed Explanation:
Let's define the terms:
(A) Preservation: This is a general term for any process used to prevent food from spoiling. Dehydration is one method of preservation.
(B) Disinfection: This is the process of killing or inactivating harmful microorganisms.
(C) Dehydration: This is the specific process of removing water or moisture from a substance. The word literally means to take water away (`de-` meaning remove, `hydro` meaning water).
(D) Freezing: This is the process of lowering the temperature of food to below its freezing point, which slows down spoilage.
The most precise term for removing water is dehydration.
Step 3: Final Answer:
The process of removing water from food is called dehydration.