Light-spectrum definition

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

Noun

Singular:
light-spectrum
Plural:
light spectra, light spectrums

Origin of light-spectrum

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

    From Wiktionary

Light-spectrum Sentence Examples

  • Those sections of the light spectrum can cause headaches, fatigued eyes, itchy eyes, and blurred lenses.

  • Ultraviolet rays, or UV rays, are found just beyond the violet section of the visible light spectrum.

  • Another good indicator is the "UV 400" marking, which indicates that the lenses protect from 400 nm -- the end of the visible light spectrum.

  • Infrared light is invisible to the human eye because it's beyond the region of the light spectrum that we can see.

  • Technically, infrared is part of what's known as the electromagnetic light spectrum.

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