digestion

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noun di·ges·tion \dī-ˈjes-chən, də-, -ˈjesh-\

Definition of digestion

  1. :  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

  1. an enzyme that aids in the digestion of protein

  2. She began to suffer from poor digestion as she grew older.

14th Century

First Known Use of digestion

14th century


DIGESTION Defined for English Language Learners

digestion

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noun di·ges·tion \dī-ˈjes-chən, də-, -ˈjesh-\

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

digestion

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noun di·ges·tion \dī-ˈjes-chən, də-\

Definition of digestion for Students

  1. :  the body's process or power of changing food into simpler forms that can be taken up and used


Medical Dictionary

digestion

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noun di·ges·tion \dī-ˈjes(h)-chən, də-\

Medical Definition of digestion

  1. :  the action, process, or power of digesting; especially :  the process of making food absorbable by mechanically and enzymatically breaking it down into simpler chemical compounds in the digestive tract



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