- the process in the alimentary canal by which food is broken up physically, as by the action of the teeth, and chemically, as by the action of enzymes, and converted into a substance suitable for absorption and assimilation into the body.
- the function or power of digesting food: My digestion is bad.
- the act of digesting or the state of being digested.
- the act or process in living organisms of breaking down ingested food material into easily absorbed and assimilated substances by the action of enzymes and other agents
- mental assimilation, esp of ideas
- the decomposition of sewage by the action of bacteria
- the treatment of material with heat, solvents, chemicals, etc, to cause softening or decomposition
