| Definition: | cloudy appearance due to contrast reduction, usually attributable to light scattering Note 1 to entry: Correlated measures in reflection are: - scattering of light at the glossy surface of a specimen responsible for the apparent reduction in contrast of objects viewed by reflection at the surface;
- percentage of reflected light scattered by a specimen having a glossy surface so that its direction deviates more than a specified angle from the direction of specular reflection.
Note 2 to entry: Correlated measures in transmission are: - scattering of light by a specimen responsible for the apparent reduction in contrast of objects viewed through it;
- percentage of transmitted light that is scattered so that its direction deviates more than a specified angle from the direction of the incident beam.
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