圧あっ縮しゅく性せいあっしゅくせいMeanings1nouncompressibilityTechnical term used in physics and engineering to describe how much a substance can be compressed under pressure.気き体たいの圧あっ縮しゅく性せいは固こ体たいより高たかい。The compressibility of gases is higher than that of solids.