ketone body

noun

: any of the three compounds acetoacetic acid, acetone, and beta-hydroxybutyric acid which are normal intermediates in lipid metabolism and accumulate in the blood and urine in abnormal amounts in conditions of impaired metabolism (such as diabetes mellitus)

Example Sentences

Recent Examples on the Web The fat must be broken down first, however, and, as part of that process, the liver creates substances known as ketone bodies that can be converted into energy. Gretchen Reynolds, New York Times, 11 Feb. 2020 Here in the 21st century: Taking supplemental ketones to help enhance this biological process will likely decrease appetite by raising blood levels of ketone bodies. Jaclyn London, Ms, Rd, Cdn, Good Housekeeping, 16 Jan. 2019 The process generates ketone bodies that may have healthy effects. Mark Barna, Discover Magazine, 24 Sep. 2018 But by starving the body of carbs, a ketogenic diet forces a person into a state of ketosis: Their body burns its own fat, producing ketone bodies. Susie Neilson, The Cut, 26 Jan. 2018 There’s evidence that some of these ketone bodies are beneficial in disease. Bradley J. Fikes, sandiegouniontribune.com, 5 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ketone body.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

Etymology

translation of German Ketonkörper

First Known Use

1915, in the meaning defined above

Time Traveler
The first known use of ketone body was in 1915

Dictionary Entries Near ketone body

Cite this Entry

“Ketone body.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ketone%20body. Accessed 7 Feb. 2023.

Medical Definition

ketone body

noun
: any of the three compounds acetoacetic acid, acetone, and the beta derivative of hydroxybutyric acid which are normal intermediates in lipid metabolism and accumulate in the blood and urine in abnormal amounts in conditions of impaired metabolism (as diabetes mellitus)

called also acetone body

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