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echelette: Meaning and Definition of

ech•e•lette

Pronunciation: (esh"u-let', ā"shu-), [key]
— n. Spectography.
  1. a diffraction grating designed to reflect infrared radiation. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
Echegaray echelon
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