Metabolize is a term used to refer to the process by which the body breaks down food and converts it into energy. Synonyms for metabolize include digest, absorb, consume, utilize, break down, process, and convert. Digest refers to the process of breaking down food into smaller molecules that can be absorbed by the body's cells. Absorb refers to the process of taking in nutrients from food. Consume refers to the act of eating or drinking. Utilize refers to the use of nutrients to produce energy. Break down, process, and convert all refer to the chemical reactions that take place within the body to transform food into energy.