Name: | Ultraviolet Rays |
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Description: | That portion of the electromagnetic spectrum immediately below the visible range and extending into the x-ray frequencies. The longer wavelengths (near-UV or biotic or vital rays) are necessary for the endogenous synthesis of vitamin D and are also called antirachitic rays; the shorter, ionizing wavelengths (far-UV or abiotic or extravital rays) are viricidal, bactericidal, mutagenic, and carcinogenic and are used as disinfectants. |
Synonyms: |
UV Light; Rays, Ultra-Violet; Ultra-Violet Rays; Rays, Ultraviolet; Actinic Ray; Rays, Actinic; Ultra-Violet Ray; Light, Ultraviolet; Ultraviolet Light; Ray, Actinic.
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