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ottava rima
Ottawa (1)
Ottawa (2)
otter
otter board
otter hound
Otterburn
otto
Otto cycle
Ottoman
ottoman
Ottoman Empire
Otway Ranges
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Otto cycle

Ot·to cy·cle [ óttō sk'l ] (plural Ot·to cy·cles)


noun 
Definition:
 
thermodynamic process: a thermodynamic process for the conversion of heat into work, e.g. the sequential suction, compression, ignition, and expulsion in a four-stroke engine

[Late 19th century. After Nikolaus August Otto (1832-1891), German engineer and inventor]
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