schlieren

 

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schlieren

Wikipedia

From German Schlieren, plural of Schliere (“streak”). Compare with Latin calere, whence English scald.

• (US) IPA^(key): /ˈʃlɪɹ.ən/
• (UK) IPA^(key): /ˈʃlɪəɹən/

schlieren pl (normally plural, singular schliere)

1. Regions of a fluid having different refractive index because of their different density.
2. (geology) Irregular streaks of different composition in some igneous rocks.

• schlieren photography

• schlieric