digestion > define

noun

• The process of decomposing organic matter (as in sewage) by bacteria or by chemical action or heat.
• The organic process by which food is converted into substances that can be absorbed into the body.
• Learning and coming to understand ideas and information.
  • usage: "his appetite for facts was better than his digestion"

• (n.) Generation of pus; suppuration.
• (n.) The conversion of food, in the stomach and intestines, into soluble and diffusible products, capable of being absorbed by the blood.
• (n.) The act or process of digesting; reduction to order; classification; thoughtful consideration.