optical spectrum

noun

The colours of the rainbow.

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Meanings

nounoptical spectrum (plural optical spectrums or optical spectra)

plural optical spectrums · plural optical spectra

  1. The colours of the rainbow.
  2. natural sciencesThe distribution of colours produced when white light passes through a prism.
  3. astronomyThe range of frequencies of visible light.
Cite this entry
APA

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

MLA

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

Chicago

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

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