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    echelon

    echelon - 365bet中国官方网站 definition and meaning for word echelon

    Definition
    (noun) a body of troops arranged in a line Definition
    (noun) a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
  •    Mnemonics (Memory Aids) for echelon

    break it as ek+hi+line(similar to lone)..means in a line.so its a line of body of troops

    Echelon: Heleon(he) in perodic table..for some elements below it,it's in upper class,n 4 other's above it,it's below..class to whxh a person belong

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