ingestion

noun

in·​ges·​tion in-ˈjes-chən How to pronounce ingestion (audio)
-ˈjesh-
: the act or process of taking in something for or as if for digestion : the act or process of ingesting something
A Cochrane review showed that ingestion of cranberry products may decrease the number of symptomatic urinary tract infections in women …Giovanni Montini et al.
Celiac disease is the immune-mediated response to ingestion of gluten from wheat, rye and barley that damages the small intestine.Valerie Putnam
After two years of almost manic ingestion of book after book—Montaigne, Milton, Seneca, Dante—he began to write Moby-Dick.Andrew Delbanco

Examples of ingestion in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Hospitals are also reporting rapid-onset blindness, irreversible comas and organ failure within hours of ingestion. Alessandra Freitas, CNN Money, 12 Oct. 2025 Multiple employees previously experienced seizures in 2019, leading inspectors to determine they had been potentially exposed to a toxic chemical through inhalation, ingestion and absorption through the skin. Jeanine Santucci, USA Today, 11 Oct. 2025 Lead ingestion is toxic for young children and may cause a range of serious health effects, including developmental delays and neurological damage, the CPSC said in the recall announcement. Matt Cannon, MSNBC Newsweek, 3 Oct. 2025 One contentious issue heading into the contract expiration date (September 30, though it was subsequently extended as talks continued) was about the ingestion of Peacock programming into the main YouTube TV experience. Dade Hayes, Deadline, 2 Oct. 2025 See All Example Sentences for ingestion

Word History

First Known Use

1620, in the meaning defined above

Time Traveler
The first known use of ingestion was in 1620

Browse Nearby Words

Cite this Entry

“Ingestion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ingestion. Accessed 16 Oct. 2025.

Medical Definition

ingestion

noun
in·​ges·​tion in-ˈjes(h)-chən How to pronounce ingestion (audio)
: the taking of material (as food) into the digestive system

More from Merriam-Webster on ingestion

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!