digestion
noun
di·ges·tion
dī-ˈjes-chən 
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
Fiber slows digestion, preventing sharp glucose spikes while delivering antioxidants that protect brain cells.
—
Deirdre Bardolf, FOXNews.com, 11 Feb. 2026
Seabourn, as well as its partners, has set a goal to significantly reduce single-use plastics and food waste by installing biodigesters that use an aerobic digestion process to break down food and reduce overall waste.
—Condé Nast, Condé Nast Traveler, 11 Feb. 2026
Pairing dessert with protein, fiber, and fat can also help slow digestion and support steadier blood sugar levels.
—Morgan Pearson, Verywell Health, 11 Feb. 2026
This ancient grain is rich in protein, fiber, and vitamins (such as magnesium), which can aid digestion and support heart health.
—Ashia Aubourg, Outside, 10 Feb. 2026
See All Example Sentences for digestion
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Deirdre Bardolf, FOXNews.com, 11 Feb. 2026
Seabourn, as well as its partners, has set a goal to significantly reduce single-use plastics and food waste by installing biodigesters that use an aerobic digestion process to break down food and reduce overall waste.
—Condé Nast, Condé Nast Traveler, 11 Feb. 2026
Pairing dessert with protein, fiber, and fat can also help slow digestion and support steadier blood sugar levels.
—Morgan Pearson, Verywell Health, 11 Feb. 2026
This ancient grain is rich in protein, fiber, and vitamins (such as magnesium), which can aid digestion and support heart health.
—Ashia Aubourg, Outside, 10 Feb. 2026
See All Example Sentences for digestion
Cite this Entry
“Digestion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/digestion. Accessed 15 Feb. 2026.
Copy CitationKids Definition
digestion
noun
di·ges·tion
dī-ˈjes-chən
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-
: 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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