圧縮率(あっしゅくりつ) あっしゅくりつ noun compression ratio; compression rate technicaltechnology 1. compression ratio; compression rate The degree to which something is compressed, expressed as a ratio. Used for data files, engine cylinders, and materials. ファイルの圧縮率(あっしゅくりつ)が高(たか)い。🔊 The file's compression ratio is high. 画像(がぞう)の圧縮率(あっしゅくりつ)を上(あ)げると画質(がしつ)が落(お)ちる。🔊 Raising an image's compression rate lowers its quality. このエンジンは圧縮率(あっしゅくりつ)が高(たか)く、燃費(ねんぴ)がよい。🔊 This engine has a high compression ratio and good fuel economy. Composed of 圧縮(あっしゅく) ('compression') + 率(りつ) ('rate, ratio'). Used in computing (file and data compression), mechanical engineering (engines), and materials science.Common collocations圧縮率(あっしゅくりつ)が高(たか)い / 低(ひく)い: high / low compression ratio圧縮率(あっしゅくりつ)を上(あ)げる: to raise the compression rate general Added 2026.7.19 9:19 · Revised 2026.9.2 13:02 29500/29947_asshukuritsu