penetrometer(redirected from penetrameter)
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an instrument for measuring the penetrating power of x-rays; qualimeter.
An obsolete instrument for measuring the penetrating power of x-rays from any given source.
[penetration + G. metron, measure]
penetrometerAn obsolete device formerly used to quantify an X-ray’s penetrability, or “hardness”.
step wedge(step wej)
Triangular aluminum device placed over a radiographic film during exposure to determine the penetrating ability of an x-ray beam.