light spectrum
Definition from Wiktionary, the free dictionary
Contents |
English [edit]
Etymology [edit]
light (“visible”) + spectrum (“range of electromagnetic wavelengths”)
Noun [edit]
- (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.
Synonyms [edit]
- (visible to humans): visible light
