glyc·​er·​ol | \ ˈgli-sə-ˌrȯl How to pronounce glycerol (audio) , -ˌrōl\

Definition of glycerol

: a sweet syrupy hygroscopic trihydroxy alcohol C3H8O3 usually obtained by the saponification of fats

Examples of glycerol in a Sentence

Recent Examples on the Web

The researchers used a typical solution of water, glycerol, and a surfactant to make a simple 2D foam squashed between two plates of glass. Jennifer Ouellette, Ars Technica, "Two new papers explore the complicated physics behind bubbles and foams," 19 June 2019 The researchers also showed that a common adulteration—switching glycerol for diethylene glycol during the production of cold medicine—was easily detectable. Chris Lee, Ars Technica, "Musical instrument goes flat in presence of adulterated medicine," 17 Sep. 2018 Juul pods include glycerol, propylene glycol, natural oils, extracts and flavor, nicotine and benzoic acid, company officials say, but not diacetyl, a potentially harmful chemical used in other vaping products for flavoring. Jill Tucker,, "As Juul vaping surges among teens, health concerns grow," 27 May 2018 Juul’s e-cigarette liquid contains only five: glycerol, propylene glycol, nicotine, benzoic acid, and food-grade flavoring. Jia Tolentino, The New Yorker, "The Promise of Vaping and the Rise of Juul," 7 May 2018 Most wrap manufacturers use glycerol—a compound also used in, among other things, anti-freeze and the production of nitroglycerin. Nicola Temple, WSJ, "Give Processed Food a Break," 4 May 2018 In a process called saponification, an alkali is used to cause changes in animal or vegetable fats, leaving behind soap and glycerol. C. Claiborne Ray, New York Times, "In Your Bathroom, the Scum of the Earth," 6 Apr. 2018 But vaping liquids contain additives such as propylene glycol and glycerol that can form carcinogenic compounds when they are heated. Author: Kate Zernike, Anchorage Daily News, "Devices to quit smoking become the devices teenagers can’t quit," 2 Apr. 2018 By Dani combines equal parts gelatin, glycerol and water. Kelsey Stiegman, Seventeen, "People Are Melting Their Faces In the Name of Halloween," 20 Oct. 2017

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

1880, in the meaning defined above

History and Etymology for glycerol

glycerin + -ol

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Statistics for glycerol

Last Updated

20 Jul 2019

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Time Traveler for glycerol

The first known use of glycerol was in 1880

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More Definitions for glycerol


glyc·​er·​ol | \ ˈglis-ə-ˌrȯl How to pronounce glycerol (audio) , -ˌrōl How to pronounce glycerol (audio) \

Medical Definition of glycerol

: a sweet syrupy hygroscopic trihydroxy alcohol C3H8O3 usually obtained by the saponification of fats and used especially as a solvent and plasticizer, as a moistening agent, emollient, and lubricant, and as an emulsifying agent

called also glycerin

More from Merriam-Webster on glycerol

Britannica English: Translation of glycerol for Arabic Speakers Encyclopedia article about glycerol

Comments on glycerol

What made you want to look up glycerol? Please tell us where you read or heard it (including the quote, if possible).


appealing forcibly to the mind or reason

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