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
However, a normal cup of green tea is less concentrated than green tea extract, so the effect on starch digestion may be less pronounced.8
3.
—
Sarah Bence, Verywell Health, 6 June 2025
Like protein, fiber slows digestion, leading to a slower, steadier rise in blood sugar.34
Sources of protein include:
Sources of fiber include:
Fruits
Vegetables
Nuts
Seeds
2.
—Jillian Kubala, Health, 3 June 2025
Intermediate-term momentum is positive and strengthening per the weekly MACD, suggesting recent digestion will be brief and give way to additional upside follow-through.
—Katie Stockton, CNBC, 2 June 2025
The gut microbiome is the diverse community of trillions of microorganisms such as bacteria that live in the digestive tract, playing a vital role in digestion and immune function.
—Akshay Syal, NBC news, 31 May 2025
See All Example Sentences for digestion
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show current usage.
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Sarah Bence, Verywell Health, 6 June 2025
Like protein, fiber slows digestion, leading to a slower, steadier rise in blood sugar.34
Sources of protein include:
Sources of fiber include:
Fruits
Vegetables
Nuts
Seeds
2.
—Jillian Kubala, Health, 3 June 2025
Intermediate-term momentum is positive and strengthening per the weekly MACD, suggesting recent digestion will be brief and give way to additional upside follow-through.
—Katie Stockton, CNBC, 2 June 2025
The gut microbiome is the diverse community of trillions of microorganisms such as bacteria that live in the digestive tract, playing a vital role in digestion and immune function.
—Akshay Syal, NBC news, 31 May 2025
See All Example Sentences for digestion
Cite this Entry
“Digestion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/digestion. Accessed 12 Jun. 2025.
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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