Comment prononcer "echelon"

Ajouter votre propre prononciation de "echelon"

Signification et définition de "echelon"

Noun

status in a society or organization; "the upper echelon"

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Noun

a body of troops arranged in a line

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Noun

a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset

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