A device for measuring the penetrating power of radiation, especially x-rays.(noun)
A device for measuring the penetrability of semisolids.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "penetrometer" in a sentence
"A "penetrometer" on the bottom of the probe poked into the ground."
"In addition, it performed twenty-five soil analyses with its x-ray fluorescence spectrometer and used its penetrometer at 500 different locations."
"One technique employs a penetrometer that is pushed into the frozen active layer to measure the strength and thickness of the frozen zone."