penetrometer

pen.e.trom.e.ter

n.（名词）
A device for measuring the penetrating power of radiation, especially x-rays.
透光计，渗透度仪：一种用于测量射线特别是X射线贯穿力的仪器
A device for measuring the penetrability of semisolids.
硬度测量计：一种用于测量半固体硬度及可穿透度的仪器