echelette

noun
eche·lette | \¦eshə¦let, ¦āsh-\
plural -s

Definition of echelette 

: a reflection grating made by ruling parallel V-shaped grooves in a polished metal plate so that light is reflected from the corresponding faces of successive grooves

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History and Etymology for echelette

French échelette small rack, from Middle French eschelette small ladder, from eschele, eschiele ladder + -ette

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Dictionary Entries near echelette

échappée

echard

eche

echelette

Echelidae

echelle

echelon

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