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Carnot principle

British  

noun

  1. the principle that no heat engine can be more efficient than one operating on a Carnot cycle of reversible changes

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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The Carnot principle, which later became part of the second law of thermodynamics, was formulated for large-scale systems such as steam turbines.

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