penetrometer

noun

1. a device for measuring the penetrating power of x-ray or other radiations.
2. a device for measuring the penetrability of a solid.

noun

1. physics an instrument used to measure the penetrating power of radiation, such as X-rays

n.

1. A device for measuring penetrating power of radiation, especially x-rays.
2. A device for measuring the penetrability of semisolids.

1. A device for measuring the penetrating power of electromagnetic radiation, especially x-rays.
2. A device for measuring the denseness, compaction, or penetrability of a substance, such as soil, agricultural produce, or semisolid petroleum products. A penetrometer typically measures the resistance of the substance to penetration to a given depth by a weight-driven cone or needle of a given shape.