Etalon Definition
ātə-lŏn, ĕtə-
noun
An optical instrument with two plane parallel reflecting surfaces, used for the precise measurement of distance or the wavelength of light.
Webster's New World
Other Word Forms of Etalon
Noun
Singular:
etalon
Plural:
etalonsOrigin of Etalon
French étalon standard (of weight or a unit of measurement), reference point, etalon (in reference to the fixed widths between the two surfaces in the first such interferometers) from Old French estalon standard, of Germanic origin Middle Dutch stael model, sample
From American Heritage Dictionary of the English Language, 5th Edition
-
From French étalon (“measuring gauge, standard”).
From Wiktionary
Etalon Is Also Mentioned In
Find Similar Words
Find similar words to etalon using the buttons below.