echelle

2 ENTRIES FOUND:

echelle

noun \ā-ˈshel\

Definition of ECHELLE

:  a diffraction grating made by ruling a plane metallic mirror with lines having a relatively wide spacing

Origin of ECHELLE

French, literally, ladder, from Old French eschele
First Known Use: 1949

Browse

Next Word in the Dictionary: echelon (noun)
Previous Word in the Dictionary: Echelidae
All Words Near: echelle

Seen & Heard

What made you want to look up echelle? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More