penetrometer
(noun)
noun
1. A mechanical device that measures the ease of penetration of an object into a semisolid.
2. A device that measures the penetrating power of electromagnetic radiation (especially X-rays).
(noun)
1. A mechanical device that measures the ease of penetration of an object into a semisolid.
2. A device that measures the penetrating power of electromagnetic radiation (especially X-rays).