di.la.tan.cy
n.（名词）【复数】 di.la.tan.cies The increase in volume of a granular substance when its shape is changed, because of greater distance between its component particles.膨胀性：由于粒子成分之间的距离较大，颗粒物质当形状发生变化时所具有的体积增加的性能The phenomenon whereby a viscous substance solidifies under pressure.膨胀凝固性：一种粘性物质在压力下变成凝固的现象
