What does echelon mean in crosswords?

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

Which crossword clues can have echelon as the answer?

Possible clues for echelon include "Rank level".

Word entry · 7 letters

Best crossword clue

"Rank level"

7 letters · collected on this word page

7 lettersSorted ceehlnoStarts with EEnds with N1 clues

1E2C3H4E5L6O7N

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

01“Rank level”7 letters

Not quite right?

E______