Echelon
nounverified·updated May 18, 2026
a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
Framework senses
- §1
- a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
- §2
- a body of troops arranged in a line
- §1 · legacy_primary
- a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offsetDR-088 backfill from the noun definition column