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From Longman Dictionary of Contemporary English
Related topics: Measurement
joulejoule /dʒuːl $ dʒuːl, dʒaʊl/ noun [countable] (written abbreviation J)  TMa unit for measuring energy or work
Examples from the Corpus
jouleThe energy applied in each pulse was 25-30 joules.For them, energy comes in joules, and force in newtons, but whatever happened to ergs and dynes?
From Longman Business Dictionaryjoulejoule /dʒuːldʒuːl, dʒaʊl/ written abbreviation J noun [countable] a unit of energy, work done, or quantity of heat
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