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ultraviolet

DEFINITIONS OF: ultraviolet

1

adj having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end

“ultraviolet radiation”
“an ultraviolet lamp”
Synonyms
invisible, unseeable
impossible or nearly impossible to see; imperceptible by the eye

n radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays

Synonyms:
UV, ultraviolet illumination, ultraviolet light, ultraviolet radiation
Types:
sun-ray, sunray
a ray of artificial ultraviolet light from a sunray lamp
Type of:
actinic radiation, actinic ray
electromagnetic radiation that can produce photochemical reactions
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