polyethylene glycol


Definition of polyethylene glycol

: 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

The Chinese scientists added polyethylene glycol into the reactant mix when building their COF compound, which effectively bridged the porous spaces to create a version that was much more compact and flexible. Jennifer Ouellette, Ars Technica, "Watch this paper doll do sit-ups thanks to new kind of “artificial muscle”," 21 July 2019 Treat constipation aggressively with laxatives such as polyethylene glycol. Wendy Glaberson, M.d., miamiherald, "What can I do about my child's bedwetting? | Miami Herald," 10 Apr. 2018

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

First Known Use of polyethylene glycol

1886, in the meaning defined above

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Last Updated

14 Aug 2019

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The first known use of polyethylene glycol was in 1886

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polyethylene glycol


Medical Definition of polyethylene glycol

: 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.

More from Merriam-Webster on polyethylene glycol

Britannica.com: Encyclopedia article about polyethylene glycol

Comments on polyethylene glycol

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concealment of treason or felony

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