˜yÐÄvlog

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echelette

[ esh-uh-let, ey-shuh- ]

noun

Spectography.
  1. a diffraction grating designed to reflect infrared radiation.


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˜yÐÄvlog History and Origins

Origin of echelette1

< French 鳦³ó±ð±ô±ð³Ù³Ù±ð rack, equivalent to 鳦³ó±ð±ô±ô±ð ladder ( echelon ) + -ette -ette

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