me·​tab·​o·​lite | \ mə-ˈta-bə-ˌlīt How to pronounce metabolite (audio) \

Definition of metabolite

1 : a product of metabolism
2 : a substance essential to the metabolism of a particular organism or to a particular metabolic process

Examples of metabolite in a Sentence

Recent Examples on the Web Bob Baffert was fined $2,500 after his horse Merneith tested positive for a metabolite of Dextromethorphan, a therapeutic often found in cough medicine, on July 25. John Cherwa, Los Angeles Times, "Horse racing newsletter: Final Del Mar stewards’ rulings," 7 Dec. 2020 Baffert, the most recognizable figure in the sport, was fined $2,500 after Merneith tested positive for Dextrorphan, a metabolite often found in cough remedies. John Cherwa, Los Angeles Times, "Del Mar punishes trainers Bob Baffert and Val Brinkeroff for medication violations," 30 Nov. 2020 Collectively, and somewhat inaccurately, these molecules are referred to as metabolites. The Economist, "People leave molecular wakes that may give away their secrets," 13 Feb. 2020 Glaxo—a company that eventually merged into GlaxoSmithKline (GSK)—Zantac’s original manufacturer, published a study of ranitidine’s metabolites in urine in 1981, but Light says that study appears not to have looked for NDMA. Tanya Lewis, Scientific American, "What We Know About the Possible Carcinogen Found in Zantac," 28 Oct. 2019 For example, bacteria can prevent influenza virus infection by binding or trapping them directly or by producing metabolites that decrease the stability of influenza virions. Michelle Sconce Massaquoi, The Conversation, "Why hand-washing really is as important as doctors say," 3 Mar. 2020 The indictment filed Wednesday states Keese was driving under a suspension and had 50 nanograms or more of cocaine metabolite per milliliter of his whole blood, blood serum or plasma. Madeline Mitchell,, "Man who crashed into Metro bus in Evanston had cocaine in his system, documents state," 26 Feb. 2020 Conventional urine drug testing for cannabis targets a common metabolite of THC called THCCOOH (THC is the primary psychoactive component of cannabis). Maria Loreto,, "Study confirms CBD products may cause users to fail a drug test," 12 Nov. 2019 When the researchers move onto other types of metabolites for their device, calibration will also be tricky. Courtney Linder, Popular Mechanics, "What If Your Sweat Could Instantly Tell You How Healthy You Are?," 4 Feb. 2020

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

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First Known Use of metabolite

1877, in the meaning defined at sense 1

History and Etymology for metabolite

metabol(ic) or metabol(ism) + -ite entry 1

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The first known use of metabolite was in 1877

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Cite this Entry

“Metabolite.” Dictionary, Merriam-Webster, Accessed 10 Apr. 2021.

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More Definitions for metabolite


me·​tab·​o·​lite | \ -ˌlīt How to pronounce metabolite (audio) \

Medical Definition of metabolite

1 : a product of metabolism:
a : a metabolic waste usually more or less toxic to the organism producing it : excretion
b : a product of one metabolic process that is essential to another such process in the same organism
c : a metabolic waste of one organism that is markedly toxic to another : antibiotic
2 : a substance essential to the metabolism of a particular organism or to a particular metabolic process

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