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schlieren

Syllabification: (schlie·ren)
Pronunciation: /ˈSHli(ə)rən/
Definition of schlieren

noun

technical
  • discernible layers in a transparent material that differ from the surrounding material in density or composition.
  • Geology irregular streaks or masses in igneous rock that differ from the surrounding rock in texture or composition.

Origin:

late 19th century: from German Schlieren, plural of Schliere 'streak'

schlieren in other Oxford dictionaries

Definition of schlieren in the British & World English dictionary
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