olestra

noun

oles·​tra ō-ˈle-strə How to pronounce olestra (audio)
: a noncaloric fat substitute consisting of a series of compounds that are sucrose esters of six to eight fatty acids resistant to absorption by the digestive system because of their large size

Examples of olestra in a Sentence

Recent Examples on the Web Other exhibits include potato chips made with the fat substitute olestra, which has the benefit of helping weight loss but unfortunate side-effect of diarrhea. Alexander Smith, NBC News, 14 June 2017

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

Word History

Etymology

probably by shortening & alteration from (sucrose) polyester

First Known Use

1987, in the meaning defined above

Time Traveler
The first known use of olestra was in 1987

Dictionary Entries Near olestra

Cite this Entry

“Olestra.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/olestra. Accessed 19 Apr. 2024.

Medical Definition

olestra

noun
oles·​tra ō-ˈles-trə How to pronounce olestra (audio)
: a noncaloric fat substitute consisting of a series of compounds that are sucrose esters of six to eight fatty acids resistant to absorption by the digestive system due to their large size
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