noun
compression ratio; compressibility
Technical term used in engineering, physics, and data compression. 圧縮率 often refers to the ratio of original to compressed size, while compressibility is a material property.
このエンジンの圧縮率は10対1です。
This engine has a compression ratio of 10 to 1.
ファイルの圧縮率を高めるため
We introduced a new algorithm to increase the file compression ratio.