[n] learning and coming to understand ideas and information
[n] the organic process by which food is converted into substances that can be absorbed into the body
[n] the process of decomposing organic matter (as in sewage) by bacteria
\Di*ges"tion\ (?; 106), n. [F. digestion, L. digestio.]
1. The act or process of digesting; reduction to order; classification; thoughtful consideration.
2. (Physiol.) The conversion of food, in the stomach and intestines, into soluble and diffusible products, capable of being absorbed by the blood.
3. (Med.) Generation of pus; suppuration.