ki·​lo·​cal·​o·​rie ˈki-lə-ˌka-lə-rē How to pronounce kilocalorie (audio) ˈkē-lə- How to pronounce kilocalorie (audio)

Examples of kilocalorie in a Sentence

Recent Examples on the Web At the start of the show, the contestants’ mean resting metabolic rate was 2,607 +/-649 kilocalories per day. Beth Mole, Ars Technica, 17 Dec. 2019 Based on their individual weights, the researchers estimate that the contestants were burning an average of about 500 fewer kilocalories a day than would be expected of people their size. Beth Mole, Ars Technica, 17 Dec. 2019 By 2050 that number could go as high as 850 kilocalories, the researchers predict. Prachi Patel, Scientific American, 1 Aug. 2016 Super Faiths claims that the final, odorless product becomes less than 1/3 the weight and bulk of the original diapers and contains 5,000 kilocalories of heat per kilogram. Fox News, 6 May 2010

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

Word History


International Scientific Vocabulary

First Known Use

1894, in the meaning defined at sense 1

Time Traveler
The first known use of kilocalorie was in 1894

Dictionary Entries Near kilocalorie

Cite this Entry

“Kilocalorie.” Dictionary, Merriam-Webster, Accessed 29 Sep. 2023.

Kids Definition


ki·​lo·​cal·​o·​rie ˈkē-lə-ˌkal-(ə-)rē How to pronounce kilocalorie (audio)

Medical Definition


ki·​lo·​cal·​o·​rie -ˌkal-(ə-)rē How to pronounce kilocalorie (audio)

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