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Pronunciation varies by accent · noun
Any four-stroke cycle, such as the Otto cycle, for an internal combustion engine..
[…] well-known automobiles will be fitted with two-cycle engines, whereas they are now equipped with four-cycles.
Use four-cycle when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Four-cycle means Any four-stroke cycle, such as the Otto cycle, for an internal combustion engine..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
[…] well-known automobiles will be fitted with two-cycle engines, whereas they are now equipped with four-cycles.
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