/ English Dictionary |
ULTRAVIOLET LIGHT
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
Radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
Synonyms:
ultraviolet; ultraviolet illumination; ultraviolet light; ultraviolet radiation; UV
Classified under:
Nouns denoting natural phenomena
Hypernyms ("ultraviolet light" is a kind of...):
actinic radiation; actinic ray (electromagnetic radiation that can produce photochemical reactions)
Hyponyms (each of the following is a kind of "ultraviolet light"):
sun-ray; sunray (a ray of artificial ultraviolet light from a sunray lamp)
Context examples:
Ultraviolet light from the dying star makes the material glow.
(Hubble Views a Colorful Demise of a Sun-like Star, NASA)
When interstellar dust and gas are bombarded with ultraviolet light from hot young stars, the energy causes them to shine brilliantly.
(Stellar Nursery Blooms into View, ESO)
A poxvirus made non-infectious by ultraviolet light or other inactivation methods in order to reduce its pathogenicity.
(Inactivated Vaccinia Virus, NCI Thesaurus)
Ultraviolet light from the host star, which is brighter and hotter than the Sun, heats the upper atmosphere and helps lead to its escape.
(Hubble Uncovers a ‘Heavy Metal’ Exoplanet Shaped Like a Football, NASA)
A steroid hormone produced in the skin when exposed to ultraviolet light or obtained from dietary sources.
(Cholecalciferol, NCI Thesaurus)
The image was taken with the Cassini spacecraft narrow-angle camera on June 3, 2016 using a spectral filter which preferentially admits wavelengths of ultraviolet light centered at 338 nanometers.
(Regarding Rhea, NASA)
An analytical method that utilizes ultraviolet light to excite the sample and detects the fluorescence emitted during the return of the sample to its ground state.
(Fluorimetry, NCI Thesaurus)
He said these molecular charges are armed by TOP2’s interaction with environmental toxicants, chemical metabolites, tobacco exposures, or DNA damage caused by ultraviolet light.
(DNA damage caused by cancer treatment reversed by ZATT protein, National Institutes of Health)
Tiny particles can get electrically charged by ultraviolet light from the Sun or by plasma clouds emanating from micrometeoroid bombardment of the rings.
(Saturn is Losing Its Rings, NASA)
It includes radio waves, microwaves, infrared light, visible light, ultraviolet light, x-rays, and gamma rays.
(Electromagnetic radiation, NCI Dictionary)