light spectrum

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

Last modified on 19 June 2013, at 20:04