ALL meanings of compression ratio
com·pres·sion ra·tio
C c - noun compression ratio the ratio of the volume enclosed by the cylinder of an internal-combustion engine at the beginning of the compression stroke to the volume enclosed at the end of it 3
- noun compression ratio 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 3
- noun compression ratio The compression ratio in an engine is the ratio of the volume of the cylinder plus combustion chamber at the bottom of the stroke (when the volume is greatest) to the volume at the top of the stroke (when the volume is least.) 3
- noun compression ratio the ratio of the cylinder volume enclosed by the piston at its outermost position to the volume enclosed by it at its innermost position. 1
- noun compression ratio (automotive) The ratio of the volume between the cylinder head of an internal combustion engine and the piston before and after the compression stroke. 0
- noun compression ratio (computing) The ratio of the size of compressed data after the execution of some compression algorithm to the size of the original data. 0