schlieren

plural noun
schlie·ren | \ˈshlir-ən \

Definition of schlieren 

1 : small masses or streaks in an igneous rock that differ in composition from the main body

2 : regions of varying refraction in a transparent medium often caused by pressure or temperature differences and detectable especially by photographing the passage of a beam of light

Other Words from schlieren

schlieric \ˈshlir-ik \ adjective

First Known Use of schlieren

1898, in the meaning defined at sense 1

History and Etymology for schlieren

German

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Time Traveler for schlieren

The first known use of schlieren was in 1898

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