Definition of digestion
: the action, process, or power of digesting: as a : the process of making food absorbable by dissolving it and breaking it down into simpler chemical compounds that occurs in the living body chiefly through the action of enzymes secreted into the alimentary canal b : the process in sewage treatment by which organic matter in sludge is decomposed by anaerobic bacteria with the release of a burnable mixture of gases
Examples of digestion in a sentence
an enzyme that aids in the digestion of protein
She began to suffer from poor digestion as she grew older.
First Known Use of digestion
DIGESTION Defined for English Language Learners
Definition of digestion for English Language Learners
: the process by which food is changed to a simpler form after it is eaten
DIGESTION Defined for Kids
Definition of digestion for Students
: the body's process or power of changing food into simpler forms that can be taken up and used
Seen and Heard
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