ECHELON as NOUN

1. Meaning
   • a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
   Hypernyms(s) echelon is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • diffraction grating (what does diffraction grating mean?)
   • grating (what does grating mean?)
2. Meaning
   • a body of troops arranged in a line
   Hypernyms(s) echelon is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • military unit (what does military unit mean?)
   • military force (what does military force mean?)
   • military group (what does military group mean?)
   • force (what does force mean?)