radiolucency meaning

[Electronics]
1. The property of a material that allows ionizing radiation to pass through it with little or no absorption.
2. The extent to which a material transmits ionizing radiation.

[Medicine]
n pl -cies : the quality or state of being radiolucent

Examples

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1. Other crown material properties to be considered are thermal conductivity and radiolucency.
2. The main radiographic features of generalized osteoporosis are cortical thinning and increased radiolucency.
3. On radiographs, it can appear as a unilocular or multilocular radiolucency ( dark area ).
4. Small protrusions ( or " tongues " ) of radiolucency often extend from the metaphyses into the bone shaft.
5. Additionally, it has been proven that a positive correlation exists between the number of bacteria in an infected root canal and the size of the resultant periradicular radiolucency.