light spectrum

English

Etymology

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

Noun

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

• (visible to humans): visible light

Translations

range of colors — see spectrum