polypeptide

noun
poly·​pep·​tide | \ ˌpä-lē-ˈpep-ˌtīd How to pronounce polypeptide (audio) \

Definition of polypeptide

: a molecular chain of amino acids

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Other Words from polypeptide

polypeptidic \ ˌpä-​lē-​(ˌ)pep-​ˈti-​dik How to pronounce polypeptidic (audio) \ adjective

Examples of polypeptide in a Sentence

Recent Examples on the Web That is seven more years those polypeptides would receive if they were approved under the rules for regular small-molecule drugs, such as pills. Jeff Stein, Washington Post, "Congress showers health care industry with multi-billion victory after wagging finger at it for much of 2019," 20 Dec. 2019 In 2015, Krishnamurthy, Hud and their collaborators showed that trying to understand the origins of polypeptide synthesis by focusing only on amino acids, the building blocks of peptides, might be the wrong tack. Quanta Magazine, "Origin-of-Life Study Points to Chemical Chimeras, Not RNA," 16 Sep. 2019 Try the award-winning Jelly Cleanser with the age-reversing polypeptide moisturizer and the Umbra Sheer SPF 30 to look your selfie-best while also protecting against harmful UV rays. Alexandra Deabler, Fox News, "Best skincare regiments for summer selfies," 8 May 2018 This implied an elementary kind of coding, a basis for the exchange of information between the RNA and the polypeptide. Quanta Magazine, "The End of the RNA World Is Near, Biochemists Argue," 19 Dec. 2017 Try the award-winning Jelly Cleanser with the age-reversing polypeptide moisturizer and the Umbra Sheer SPF 30 to look your selfie-best while also protecting against harmful UV rays. Alexandra Deabler, Fox News, "Best skincare regiments for summer selfies," 8 May 2018 But in people who have this form of diabetes, cells of the pancreas amass clumps of a protein known as islet amyloid polypeptide (IAPP), which is very similar to the β amyloid that accumulates in Alzheimer’s disease. Mitch Leslie, Science | AAAS, "Could diabetes spread like mad cow disease?," 1 Aug. 2017 These include parvalbumin (PV), somatostatin (SOM), and vasoactive intestinal polypeptide (VIP)-expressing interneurons. Beth Mole, Ars Technica, "Scientists come up with neural mechanism—and possible fix—for chronic pain," 27 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polypeptide.' 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 polypeptide

1903, in the meaning defined above

History and Etymology for polypeptide

International Scientific Vocabulary

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Time Traveler for polypeptide

Time Traveler

The first known use of polypeptide was in 1903

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Statistics for polypeptide

Last Updated

28 Dec 2019

Cite this Entry

“Polypeptide.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/polypeptide. Accessed 24 January 2020.

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More Definitions for polypeptide

polypeptide

noun
poly·​pep·​tide | \ ˌpäl-i-ˈpep-ˌtīd How to pronounce polypeptide (audio) \

Medical Definition of polypeptide

: a molecular chain of amino acids

Other Words from polypeptide

polypeptidic \ -​(ˌ)pep-​ˈtid-​ik How to pronounce polypeptidic (audio) \ adjective

More from Merriam-Webster on polypeptide

Britannica.com: Encyclopedia article about polypeptide

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