polyethylene glycol

noun

: any of a series of polymers H(OCH2CH2)nOH where n is greater than three that vary from viscous liquids to waxy solids and are used especially as lubricants and in medical and biotechnological applications
abbreviation PEG

Examples of polyethylene glycol in a Sentence

Recent Examples on the Web
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It was treated with polyethylene glycol (PEG) which, as a petroleum product introduces very old (dead) carbon and thus distorts (makes dates far too old) radiocarbon dating, the professor told IE. Shubhangi Dua, Interesting Engineering, 26 June 2024 Unlisted ingredients More than half the inks my research team analyzed contained unlisted polyethylene glycol, also known as PEG. John Swierk, CBS News, 23 Mar. 2024 Notably, among these additives is polyethylene glycol, a medication used for managing constipation, according to the National Institute of Health. Jordan Greene, Peoplemag, 29 Feb. 2024 The team simulated drought conditions by exposing plants to polyethylene glycol—a polymer often used in experiments to induce water deficit—or by withholding water, then sent a current through the crops. IEEE Spectrum, 11 Dec. 2023 See all Example Sentences for polyethylene glycol 

Word History

First Known Use

1886, in the meaning defined above

Time Traveler
The first known use of polyethylene glycol was in 1886

Dictionary Entries Near polyethylene glycol

Cite this Entry

“Polyethylene glycol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyethylene%20glycol. Accessed 1 Dec. 2024.

Medical Definition

polyethylene glycol

noun
: any of a series of polymers H(OCH2CH2)nOH where n is greater than three that vary from viscous liquids to white solids and are used in medicine especially as laxatives and as bases for pharmaceutical ointments and cosmetic creams
abbreviation PEG

Note: The covalent attachment of polyethylene glycol chains to biomolecules (see pegylation) is used especially to improve the bioavailability, solubility, and stability of therapeutic agents and to reduce their immunogenicity.

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