first-order spectrum

noun

A spectrum produced by a diffraction grating whose adjacent slits are one wavelength apart.

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Meanings

nounfirst-order spectrum (plural first-order spectra)

plural first-order spectra

  1. natural sciencesA spectrum produced by a diffraction grating whose adjacent slits are one wavelength apart.
Cite this entry
APA

first-order spectrum. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/first-order%20spectrum

MLA

“first-order spectrum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/first-order%20spectrum. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “first-order spectrum,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/first-order%20spectrum.

Source: first-order spectrum on Wiktionary, CC BY-SA 4.0.