Reststrahlen definitions

Reststrahlen

1) Everyday German physics term 2) Familiar German physics term 3) German physics term 4) Prevalent German physics term
Found on https://www.crosswordclues.com/clue/reststrahlen

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reststrahlen

(German: `residual radiation`), light that is selectively reflected from the surface of a transparent solid when the frequency of the light is ...
Found on http://www.britannica.com/eb/a-z/r/38

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