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.
Death cap mushrooms contain amanita toxins that prevent the production of proteins in liver cells, leading to cell death and possible liver failure from about two days after ingestion. Hilary Whiteman, CNN Money, 7 July 2025 There are more than 3,500 annual cases of button battery ingestion in the US, and the numbers, CHOP says, are rising. Cara Lynn Shultz, People.com, 2 July 2025 For even short periods of ingestion, microplastics accrue in the digestive tract, primarily the cecum which is the pouch between the small intestine and colon. Suwanna Gauntlett Upjohn, Forbes.com, 27 June 2025 Symptoms of poison hemlock ingestion can include: Salivation Vomiting Diarrhea Muscular weakness Paralysis Nervousness Trembling Dilation of pupils Weak pulse Convulsions Coma Touching poison hemlock can also lead to contact dermatitis in people with sensitive skin, according to Cleveland Clinic. Evan Moore, Charlotte Observer, 27 May 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 22 Jul. 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!