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an instrument for measuring the penetrating power of x-rays; qualimeter.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


An obsolete instrument for measuring the penetrating power of x-rays from any given source.
[penetration + G. metron, measure]
Farlex Partner Medical Dictionary © Farlex 2012


An obsolete device formerly used to quantify an X-ray’s penetrability, or “hardness”.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

step wedge

(step wej)
Triangular aluminum device placed over a radiographic film during exposure to determine the penetrating ability of an x-ray beam.
Synonym(s): penetrometer.
Medical Dictionary for the Dental Professions © Farlex 2012
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and Hache, R.: 2015, Characterization of sensitive marine clays by using cone and ball penetrometers: example of clays in eastern Canada.
The potential of determining the soil profile near the top level of the seabed has given light penetrometer uniqueness over other typical methods of field-testing such as standard penetration method (cone penetration) and vane shear testing (Nader et al., 2015).
With the Series 100 Rotational Penetrometer, the results received when testing playground surfaces correlate with the ASTM F 1951 standard.
For measuring soil horizontal resistance a horizontal penetrometer was used (Fig.
At each sampling in each field, 10 penetrometer (Rimik Agricultural Electronics CP20 Cone Penetrometer) readings were taken to a depth of 600 mm at random locations along a defined transect in each field.
Previous research with MoSCSSS has shown a correlation of improved stalk lodging resistance and increased rind penetrometer resistance.
Osborne said: "The penetrometer used to take the measurements was a slight modification of the version used in France.
Finally, changes in penetrometer data between sampling dates was not reflected by differences in bulk density and saturated hydraulic conductivity.
More complicated soil cone penetrometers that automatically record pressures and depth are easier for researchers to use.
Soil cone penetrometer measurements must be carefully spaced to prevent interference with each other.
Stn., 1986) yielded MoSCSSS(H24-high rind penetrometer [HRP])C10 and MoSCSSS(H25-low rind penetrometer [LRP])C11, respectively.
The most commonly used device for measuring soil strength is the penetrometer. Published critical limits for root growth are based upon it.