English Dictionary - With Multi-Lingual Search

English

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

Noun

light spectrum

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

Category:Light

• 2007-09-12 21:26 - Connel MacKenzieBot - Robot: Automated text replacement (-{{rfc-xphrase|Noun phrase}} +)

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