ultraviolet
IPA: ʌɫtrʌvˈaɪʌɫɪt
noun
- Ultraviolet colour.
adjective
- Of electromagnetic radiation beyond (higher in frequency than) light visible to the human eye; radiation with wavelengths from 380 to 10 nanometres.
- (figurative, physics) Relating to very high energies or very small distances or time spans.
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Examples of "ultraviolet" in Sentences
- It's that pesky, invisible specter called ultraviolet light.
- The band from 0.1 to 0.4 micrometers is called ultraviolet radiation.
- The ultraviolet “rays” are not visible; thus it is incorrect to call ultraviolet energy ultraviolet “light.”
- "Glass is almost perfectly opaque to deep ultraviolet, which is why it's hard to get a tan through a window," e-mails physicist
- Ultraviolet light, also called ultraviolet radiation or UV, is a portion of the electromagnetic spectrum between x-rays and visibility light.
- The Restore Clean Water System from HoMedics claims that its built-in ultraviolet lights will kill 99. 9999% of bacteria, 99.99% of viruses and 99.95% of microbial cysts in your drinking water.
- Paget, investigated the significance of a green fluorescence visible in ultraviolet light which pointed to adrenaline in the presence of O2, and alkali, and found that this appears to a high degree specific for adrenaline.
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