stearic acid

noun
stea·​ric acid | \ stē-ˈer-ik- How to pronounce stearic acid (audio) , stē-ˈa-rik-, ˈstir-ik- \

Definition of stearic acid

: a white crystalline fatty acid C18H36O2 obtained by saponifying tallow or other hard fats containing stearin also : a commercial mixture of stearic and palmitic acids

Examples of stearic acid in a Sentence

Recent Examples on the Web Emulsifiers: Ingredients such as xanthan gum or stearic acid that prevent a formula from separating. Nia Decaille, Washington Post, "A guide to the confusing and sometimes controversial ingredients in your cosmetics," 7 Feb. 2020 Replacements for trans fats include high oleic oils, fully hydrogenated oils (high in stearic acid) and tropical oils (mainly palm oil). Environmental Nutrition, sun-sentinel.com, "How to choose the best oil for you," 28 Aug. 2019 And all of the samples contained chemicals like palmitic acid and stearic acid, which suggest plant oils and waxes were also part of the mix. Kiona N. Smith, Ars Technica, "Neanderthals glued their tools together," 2 July 2019

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

1830, in the meaning defined above

History and Etymology for stearic acid

French stéarique, from Greek stear hard fat

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Time Traveler for stearic acid

Time Traveler

The first known use of stearic acid was in 1830

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Statistics for stearic acid

Cite this Entry

“Stearic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stearic%20acid. Accessed 23 Jan. 2021.

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More Definitions for stearic acid

stearic acid

noun
stea·​ric acid | \ stē-ˌar-ik- How to pronounce stearic acid (audio) , ˌsti(ə)r-ik- How to pronounce stearic acid (audio) \

Medical Definition of stearic acid

: a white crystalline fatty acid C18H36O2 obtained by saponifying tallow or other hard fats containing stearin also : a commercial mixture of stearic and palmitic acids

More from Merriam-Webster on stearic acid

Britannica.com: Encyclopedia article about stearic acid

Comments on stearic acid

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