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echelon |
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echelon Physics a type of diffraction grating used in spectroscopy consisting of a series of plates of equal thickness arranged stepwise with a constant offset echelon [′esh·ə‚län] (ordnance) A formation of troops; the units are parallel but unaligned, in a steplike manner. A similar arrangement of planes or ships, as planes flying in a V formation. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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