A formation of soldiers which each product is put successively to the left or right for the back device to make an oblique or steplike range.
A flight formation or arrangement of craft in this way.
an identical development of groups, products, or people.
A subdivision of a military or naval force: a command echelon.
an amount of duty or expert in a hierarchy; a rank: a job into the business's lower echelon.
an even or position in a business, profession, or culture.
A formation of troops, vessels, etc. in diagonal synchronous rows.
An arrangement of a body of troops whenever its divisions tend to be drawn up in synchronous outlines each to the right or even the remaining of one out of advance from it, like the actions of a ladder constantly in place for climbing. Also utilized adjectively.
An arrangement of a fleet in a wedge or V form.
A step-like arrangement or order; particularly, a military personality of troops of these a nature that each division, brigade, regiment, company, or any other body occupies a position parallel to, not in the same alinement with, that right in front, therefore presenting the look of measures, and effective at being formed into one-line by moving each of the less higher level divisions, etc., forward until all of them aline.
Milit., among the subdivisions of a command marching in echelon.
In optics, some glass plates placed one upon another, because of the side of each projecting slightly, stepwise, beyond the side of the preceding one. These devices, which is because of A. A. Michelson, is used when it comes to production of diffraction spectra of large dispersion and resolving power.
a diffraction grating composed of a pile of plates of equal width arranged stepwise with a consistent offset