noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The ratio of the volume between the cylinder head of an internal combustion engine and the piston before and after the compression stroke.
2. 2
   for a gas compressor, the discharge pressure divided by the suction pressure. wordnet
3. 3
   The ratio of the size of compressed data to the size of the original uncompressed data.

Synonyms

All synonyms

data compressiondata reduction