penetrometer

詳細解釋：

pen.e.trom.e.ter

n.（名詞）
A device for measuring the penetrating power of radiation, especially x-rays.
透光計，滲透度儀：一種用於測量射線特別是X射線貫穿力的儀器
A device for measuring the penetrability of semisolids.
硬度測量計：一種用於測量半固體硬度及可穿透度的儀器