light spectrum

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English

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Etymology

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From light (visible) +‎ spectrum (range of electromagnetic wavelengths).

Noun

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light spectrum (plural light spectrums or light spectra)

  1. (physics) The portion of the electromagnetic spectrum that is visible to humans.
  2. (physics) an extension of the human-visible spectrum to include near-visible wavelengths, primarily near infrared.

Synonyms

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Translations

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