plural -s
: 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

Word History


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

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Dictionary Entries Near echelette

Cite this Entry

“Echelette.” Dictionary, Merriam-Webster, Accessed 28 Feb. 2024.

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