The property of being changeable or variable; variability or mutability (applies to materials, systems, software, genetics, etc.).
この材料は温度によって物性の可変性が大きくなる。
The material's physical properties become more variable with temperature.
ソフトウェアの可変性が低いと、カスタマイズが難しくなる。
If software has low mutability, customization becomes difficult.
進化の過程では遺伝的可変性が重要な役割を果たす。
Genetic variability plays an important role in the process of evolution.