light spectrum en · NOUN
Etymology
From light (“visible”) + spectrum (“range of electromagnetic wavelengths”).
Meanings
- The portion of the electromagnetic spectrum that is visible to humans.
- an extension of the human-visible spectrum to include near-visible wavelengths, primarily near infrared.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| light spectrums | Number=Plur | lexicographic | |
| light spectra | Number=Plur | lexicographic |
Synonyms
visible light (visible to humans)