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Definition of digestion

digestion

/daɪˈdʒɛstʃən/
di · ges · tion

Plural:digestions
•
Adjective:digestive
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digestion Lexical Profile

digestion Game Scores & Validity

• noun

1

The biological process of breaking down food in the gastrointestinal tract into simpler chemical substances that can be absorbed and assimilated by the body, or a person's capacity to carry out this process.

Example

"A short walk after dinner and plenty of dietary fiber can significantly aid digestion."


2

The mental process of absorbing, reflecting on, and thoroughly understanding complex information or ideas.

Example

"The dense philosophical treatise required slow reading and careful digestion before the students could debate its merits."


3

The decomposition of organic waste or matter by bacteria or chemical agents, especially in wastewater treatment or laboratory analysis.

Example

"Anaerobic digestion of agricultural waste produces nutrient-rich fertilizer along with renewable biogas."

Synonyms
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Antonyms
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• Rhymes for digestion

Word Origin & Etymology

Borrowed from Old French digestion, from Latin digestio ('a dividing or distributing'), derived from the verb digerere ('to separate, divide, dissolve, or digest'), from dis- ('apart') and gerere ('to carry').

Cite this Entry


Wordmom. (2026). Definition of Digestion. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/digestion
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