noun
dilatancy
Technical term in physics and materials science referring to the property of certain materials (e.g., wet sand, cornstarch suspensions) to increase in volume or become more viscous when subjected to shear stress.
ダイレイタンシーは、粒子間の空隙が剪断によって拡大する現象です。
Dilatancy is a phenomenon in which the voids between particles expand under shear.