n. [ F., fr. échelle ladder, fr. L. scala. ] 1. (Mil.) An arrangement of a body of troops when its divisions are drawn up in parallel lines each to the right or the left of the one in advance of it, like the steps of a ladder in position for climbing. Also used adjectively; as, echelon distance. Upton (Tactics). [ 1913 Webster ]
2. (Naval) An arrangement of a fleet in a wedge or V form. Encyc. Dict. [ 1913 Webster ]
Echelon lens (Optics), a large lens constructed in several parts or layers, extending in a succession of annular rings beyond the central lens; -- used in lighthouses. [ 1913 Webster ]
[māttrathān] (n) EN: standard ; criterion ; grade ; reference ; datum ; basis ; norm ; level ; yardstick FR: standard [ m ] ; étalon [ m ] ; norme [ f ] ; niveau [ m ] ; échelon [ m ] ; référence [ f ] ; critère [ m ] ; normale [ f ]
n. [ F., fr. échelle ladder, fr. L. scala. ] 1. (Mil.) An arrangement of a body of troops when its divisions are drawn up in parallel lines each to the right or the left of the one in advance of it, like the steps of a ladder in position for climbing. Also used adjectively; as, echelon distance. Upton (Tactics). [ 1913 Webster ]
2. (Naval) An arrangement of a fleet in a wedge or V form. Encyc. Dict. [ 1913 Webster ]
Echelon lens (Optics), a large lens constructed in several parts or layers, extending in a succession of annular rings beyond the central lens; -- used in lighthouses. [ 1913 Webster ]
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