Compression Ratio Definition

noun
In an internal-combustion engine, the ratio of the largest volume to the smallest volume of a cylinder, measured before and after the compressing action of the piston.
Webster's New World

Other Word Forms of Compression Ratio

Noun

Singular:
compression ratio
Plural:
compression ratios

Compression Ratio Sentence Examples

  • Since I raised the compression ratio not only can my P-type go faster but I am also inclined to drive it faster.

  • Skimming the head also increases the compression ratio and to avoid detonation with low octane fuel a low compression piston is used.

  • The catalyst engine uses high compression ratio pistons designed specifically for the 4.2 power unit to optimize fuel economy.

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