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 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 The laxative circulating on TikTok is primarily one that contains polyethylene glycol 3350 (PEG). Lori Youmshajekian, Scientific American, 1 Nov. 2023 Fiber supplements, stool softeners, or a laxative, such as MiraLAX (polyethylene glycol 3350), can also help. Caroline Chirichella, Health, 6 Mar. 2023 Meanwhile, The Wall Street Journal reported last week that demand for polyethylene glycol 3350, the generic name for MiraLax, has led to shortages in some drugstores. Aria Bendix, NBC News, 12 Sep. 2023 Sign up Surging demand is contributing to a shortage of polyethylene glycol 3350, the generic name for laxatives like Miralax and Glycolax, gastroenterologists and suppliers say. Timothy Noah, The New Republic, 8 Sep. 2023 Laxatives are in short supply as demand has steadily increased for polyethylene glycol 3350, the generic name for laxatives like MiraLAX, according to the Wall Street Journal. Bychris Morris, Fortune Well, 7 Sep. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'polyethylene glycol.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 16 Apr. 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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