poly·​sor·​bate | \ ˌpä-lē-ˈsȯr-ˌbāt How to pronounce polysorbate (audio) \

Definition of polysorbate

: any of several emulsifiers used in the preparation of some pharmaceuticals or foods

Examples of polysorbate in a Sentence

Recent Examples on the Web Overall, the only reason not to get this vaccine, according to the CDC, is if the child has a severe allergic reaction to one of its components -- PEG or polysorbate. Sandee Lamotte, CNN, 6 Nov. 2021 Two specifically mentioned by the CDC are polyethylene glycol (PEG), a compound that makes the Pfizer and Moderna vaccines more stable, and an emulsifier called polysorbate. Thuc Nhi Nguyen Staff Writer, Los Angeles Times, 3 Mar. 2021 This milk takes the dubious prize for most additives: guar gum, carboy methyl cellulose, polysorbate 60, citric acid, sodium, sodium metabisulphite. Jolene Thym, The Mercury News, 20 Mar. 2017 Citric acid, methyl cellulose and polysorbate 60 also show up in some milks. Jolene Thym, The Mercury News, 20 Mar. 2017

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

1950, in the meaning defined above

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The first known use of polysorbate was in 1950

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Last Updated

18 Nov 2021

Cite this Entry

“Polysorbate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polysorbate. Accessed 30 Nov. 2021.

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More Definitions for polysorbate


poly·​sor·​bate | \ ˌpäl-i-ˈsȯr-ˌbāt How to pronounce polysorbate (audio) \

Medical Definition of polysorbate

: any of several emulsifiers used in the preparation of some pharmaceuticals and foods — see tween


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