lac·​tone | \ ˈlak-ˌtōn \

Definition of lactone

: any of various cyclic esters formed from hydroxy acids

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Other Words from lactone

lactonic \ lak-​ˈtä-​nik \ adjective

Examples of lactone in a Sentence

Recent Examples on the Web

Those similar substances include flavonoids, a group of plant metabolites that have antioxidant effects, and sesquiterpene lactones, a class of chemical compounds that are known to have anti-inflammatory properties, Merville said. Scott Cacciola, New York Times, "Remade Trail Blazers Fall Short of Golden State Warriors in Game 1 MAY 1, 2016," 4 May 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lactone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of lactone

1880, in the meaning defined above

History and Etymology for lactone

International Scientific Vocabulary

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Time Traveler for lactone

The first known use of lactone was in 1880

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More Definitions for lactone


lac·​tone | \ ˈlak-ˌtōn \

Medical Definition of lactone

: any of various cyclic esters formed from hydroxy acids — compare lactam, sultone

Other Words from lactone

lactonic \ lak-​ˈtän-​ik \ adjective

More from Merriam-Webster on lactone Encyclopedia article about lactone

Comments on lactone

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


to express emotion in a dramatic way

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