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| schlie·ren [ shlrən ] |
plural noun |
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| Definition: |
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1. streaks in fluid: zones of different density and refraction in a transparent fluid, visible as streaks and caused by pressure or temperature variations
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2. linear features in rocks: a texture observed in some igneous rocks where the darker, more basic minerals form linear aggregates in the paler host rock
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| [Late 19th century. < German, "streaks"] |
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