English dictionary



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English noun: echelon

1. echelon (group) a body of troops arranged in a line


Broader (hypernym)force, military force, military group, military unit


Domain categoryarmed forces, armed services, military, military machine, war machine

2. echelon (artifact) a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset


Broader (hypernym)diffraction grating, grating









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