digestion

noun

di·​ges·​tion dī-ˈjes-chən How to pronounce digestion (audio)
də-,
-ˈjesh-
: the action, process, or power of digesting: such as
a
: the process of making food absorbable by mechanically and enzymatically breaking it down into simpler chemical compounds in the digestive tract
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.
Recent Examples on the Web And food when raw yields fewer calories in digestion than the same food cooked. Michelle Stacey, Smithsonian Magazine, 14 May 2024 Bile, which is produced by the liver and stored in the gallbladder, aids with digestion by breaking down fats into fatty acids that can be more easily used by the body. San Diego Union-Tribune, 14 May 2024 See all Example Sentences for digestion 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'digestion.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of digestion was in the 14th century

Dictionary Entries Near digestion

Cite this Entry

“Digestion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/digestion. Accessed 24 May. 2024.

Kids Definition

digestion

noun
di·​ges·​tion dī-ˈjes-chən How to pronounce digestion (audio)
də-
: the process by which food is broken down into simpler forms in the body by mechanical and enzymatic means

Medical Definition

digestion

noun
di·​ges·​tion dī-ˈjes(h)-chən, də- How to pronounce digestion (audio)
: 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
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!