- Machinery. a theoretical heat cycle for an engine in which combustion occurs at a constant pressure and cooling at a constant volume.
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- a four-stroke cycle in which combustion takes place at constant pressure and heat is rejected at constant volumeCompare Otto cycle
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