Variant of schlieren
plural noun sing. schliere
- small streaks or masses in igneous rocks, differing in composition from the main rock but blending gradually into it
- Optics regions in a translucent medium, as a fluid, that have a different density and consequently a different index of refraction than the medium and that can be photographed as shadows produced by the refraction of light passed through these regions
Origin: Ger, lit., streaks; akin to slur
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