tre·​ha·​lose | \ tri-ˈhä-ˌlōs How to pronounce trehalose (audio) , -ˌlōz\

Definition of trehalose

: a crystalline disaccharide C12H22O11 that is found in various organisms (such as fungi and insects), is about half as sweet as sucrose, and is sometimes used as a sweetener in commercially prepared foods

Examples of trehalose in a Sentence

Recent Examples on the Web

To us, trehalose is an indistinguishable sweetener. Beth Mole, Ars Technica, "Mysterious explosion of a deadly plague may come down to a sugar in ice cream," 10 Jan. 2018 When the mice drank trehalose-laced water, RT027 killed nearly 80 percent of them. Beth Mole, Ars Technica, "Mysterious explosion of a deadly plague may come down to a sugar in ice cream," 10 Jan. 2018 Check the label for ingredients like brown sugar, corn sweetener, corn syrup, dextrose, fructose, glucose, high-fructose corn syrup, honey, invert sugar, lactose, malt syrup, maltose, molasses, raw sugar, sucrose, trehalose and/or turbinado sugar. Rebecca Drudi,, "10 tips from a dietitian," 10 Sep. 2017 Scientists previously believed that tardigrades survive desiccation by using a sugar called trehalose found in other creatures that can complete such a feat, including brine shrimp, yeast and tree frogs. Jason Daley, Smithsonian, "How the Remarkable Tardigrade Springs Back to Life after Drying Out," 20 Mar. 2017

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

1862, in the meaning defined above

History and Etymology for trehalose

International Scientific Vocabulary trehala, a sweet substance constituting the pupal covering of a beetle + -ose entry 2

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Last Updated

11 Feb 2019

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Time Traveler for trehalose

The first known use of trehalose was in 1862

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More Definitions for trehalose


tre·​ha·​lose | \ -ˈhäl-ˌōs, -ˌōz How to pronounce trehalose (audio) \

Medical Definition of trehalose

: a crystalline disaccharide C12H22O11 stored instead of starch by many fungi and found in the blood of many insects

More from Merriam-Webster on trehalose Encyclopedia article about trehalose

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


to corrupt or become corrupted

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