echelle

Noun

Meaning

echelle (plural echelles)

(physics) An echelle grating.

Examples

These spectrometers use a compact double monochromator with a prism pre-monochromator and an echelle grating monochromator for high resolution. Source: Internet

The echelle more commonly known as the "ladder" or "rack" was a long table that the accused would lie upon and be stretched violently. Source: Internet

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