in·​ges·​tion in-ˈjes-chən How to pronounce ingestion (audio)
: 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 After Carlson died — from what an autopsy revealed was organ failure related to anorexia, alcoholism and colloidal silver ingestion — her followers traveled across five states with her body in the back of an SUV. Meredith Blake, Los Angeles Times, 28 Nov. 2023 But the challenges with YouTube Music and RSS ingestion — as well as YouTube and podcasts more broadly — go beyond just ads. Amrita Khalid, The Verge, 20 Oct. 2023 Non-invasive: Unlike other methods that involve ingestion, topical application doesn't require any internal consumption. Amber Smith, Discover Magazine, 23 Oct. 2023 Stomach distention after chitin ingestion activates an innate immune response that triggers stomach cells to ramp up production of enzymes, known as chitinases, that break down chitin. Scott Lafee, San Diego Union-Tribune, 3 Oct. 2023 The best viagra pills typically start working within 30 minutes to an hour after ingestion. Amber Smith, Discover Magazine, 19 Oct. 2023 These will interfere with its ability to attach to a host cell, or single out the microbe for ingestion by cells called neutrophils. Tara C. Smith, Quanta Magazine, 27 Sep. 2023 Although she’s seen research showing benefits for both pre-workout and post-workout ingestion within an hour of the workout. Addison Aloian, Women's Health, 5 Sep. 2023 After ingestion, the compounds must pass through your digestive system before entering your bloodstream. Amber Smith, Discover Magazine, 4 Sep. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ingestion.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1620, in the meaning defined above

Time Traveler
The first known use of ingestion was in 1620

Dictionary Entries Near ingestion

Cite this Entry

“Ingestion.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2023.

Medical Definition


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

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