Everyonehasheardofthefourstrokeorfourcycleengine.
Afour‐strokeengine,alsoknownasfour‐cycle,isaninternalcombustionengineinwhichthepiston
completesfourseparatestrokes—intake,compression,power,andexhaust—duringtwoseparate
revolutionsoftheengine'scrankshaft,andonesinglecombustioncycle.