Contents

EnglishEdit

EtymologyEdit

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

NounEdit

light spectrum ‎(uncountable)

  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.

SynonymsEdit