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
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From the death of Socrates by poison hemlock to the accidental ingestion of deadly nightshade by children, poisonous plants have been responsible for human deaths throughout history. Encyclopedia Britannica, 2 Apr. 2026 The hazards include falls, fires, entrapment, ingestion, and tip‑overs, with many of the products found to violate mandatory federal safety standards. Amanda Greenwood, MSNBC Newsweek, 29 Mar. 2026 Other actions include disposing of trash properly to avoid habitat degradation and ingestion by manatees, and reporting injured, orphaned, or dead manatees to the Florida Fish and Wildlife Conservation Commission at (888) 404-3922. Elizabeth Neville, The Orlando Sentinel, 22 Mar. 2026 Symptoms typically appear within hours or days after ingestion and can last up to eight weeks. Susanne Rust follow, Los Angeles Times, 6 Mar. 2026 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

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Cite this Entry

“Ingestion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ingestion. Accessed 4 Apr. 2026.

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

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