American Heritage® Dictionary of the English Language, Fourth Edition
- n. A device for measuring the penetrating power of radiation, especially x-rays.
- n. A device for measuring the penetrability of semisolids.
“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.”
“The strength of the block can be checked with a pocket penetrometer.”
“Similarly, the equipment for testing the quality of hardened earth construction mortars, plasters and renders - eg using a pocket penetrometer or pendulum scleroscope”
“The density of blocks can be determined by means of a pocket penetrometer, which measures the resistance to penetration of a plunger for a fixed depth of penetration, and comparing it to a predetermined threshold of acceptability.”
“And just what,' said the Captain, 'is a penetrometer?”
“Following the failure of the first penetrometer, there had been a hasty conference to decide the next step.”
“There was a feeling of unusual excitement aboard Galaxy when the penetrometer was launched - and even the inevitable jokes were muted.”
“The first penetrometer was launched, with vulgar comments from the crew, and two hours later drove like a hypodermic needle into the festering satellite.”
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