Otto cycle

Otto cycle

 
noun Thermodynamics.
an idealization of the thermodynamic cycle of the internal combustion engine with air as the working substance: intake of air at atmospheric pressure, then adiabatic compression, then ignition with an increase of pressure and temperature at constant volume, then adiabatic expansion and performance of work, then a drop to atmospheric pressure at constant volume and a rejection of heat to the environment, then the exhaust of air at constant pressure.
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Origin:
1885–90; named after Nikolaus August Otto, 1832–91, German engineer and inventor
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Otto cycle is always a great word to know.
So is lollapalooza. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a stew of meat, vegetables, potatoes, etc.
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Collins
World English Dictionary
Otto cycle
 
—n
Compare diesel cycle an engine cycle used on four-stroke petrol engines (Otto engines) in which, ideally, combustion and rejection of heat both take place at constant volume
 
[C19: named after Nikolaus August Otto (1832--91), German engineer]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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