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excretion

noun

ex·​cre·​tion ik-ˈskrē-shən How to pronounce excretion (audio)
1
: the act or process of excreting
2
: something excreted
especially : metabolic waste products (such as urea and carbon dioxide) that are eliminated from the body

Example Sentences

The kidneys are organs of excretion.
Recent Examples on the Web To contract monkeypox, your child would have to have skin to skin contact with an infected person for a prolonged period of time, touch a contaminated surface, or come into direct contact with an infected respiratory excretion like a sneeze. Rachel Reiff Ellis, Fortune, 2 Sep. 2022 Water snakes, like many snake species, will release a strong, musky odor from scent glands in their cloaca — an opening used for reproduction and excretion located near the base of the tail — when they are threatened or handled. Don Lyman, BostonGlobe.com, 13 July 2022 Both of these bone types (jawbones and pectoral fins) grow via the excretion of rows of osteoblasts (large cells responsible for the synthesis and mineralization of bone). Jennifer Ouellette, Ars Technica, 23 Feb. 2022 But how dog excretion affects nature reserves, which increasingly abut urban or populated areas, had yet to be analyzed. Washington Post, 7 Feb. 2022 Instead, it is caused by a mutation in an area between genes, resulting in the excretion of a toxic chemical that kills muscle cells. New York Times, 4 Nov. 2021 The virus spreads among common carp quickly by excretion or through the epidermis and gills. Minnah Arshad, Detroit Free Press, 18 Sep. 2021 Overall, study authors concluded that more research needed to be done regarding povidone iodine's effect on excretion and transmission of the SARS-CoV-2 virus. Ashley Abramson, Health.com, 17 Sep. 2021 Large boluses of food remain in the digestive tracts of competitive eaters for days before excretion. James M. Smoliga, Harper's Magazine, 22 June 2021 See More

Word History

First Known Use

1578, in the meaning defined at sense 1

Time Traveler
The first known use of excretion was in 1578

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