light-spectrum

Noun

(uncountable)

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

Origin

light (“visible”) +‎ spectrum (“range of electromagnetic wavelengths”)

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"light-spectrum." YourDictionary, n.d. Web. 14 January 2019. <https://www.yourdictionary.com/light-spectrum>.

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light-spectrum. (n.d.). Retrieved January 14th, 2019, from https://www.yourdictionary.com/light-spectrum

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