Ultraviolet keratoconjunctivitis
ultraviolet keratoconjunctivitis n.
Acute keratoconjunctivitis caused by exposure to intense ultraviolet radiation.
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- Ultraviolet lamp
ultraviolet lamp n. A lamp, especially a mercury-vapor lamp, that produces ultraviolet rays.
- Ultraviolet microscope
ultraviolet microscope n. A microscope having a quartz and fluorite optical system that allows the transmission of light waves shorter than those of the visible spectrum.
- Ultraviolet radiation
ultraviolet radiation definition Radiation in the part of the electromagnetic spectrum where wavelengths are just shorter than those of ordinary, visible violet light but longer than those of x-rays. Note: Like infrared radiation, ultraviolet radiation can be detected with special instruments or films. Sunburn is caused by ultraviolet radiation. The ozone layer of the atmosphere […]
- Ultra-vires
adverb, adjective, Law. 1. beyond the legal power or authority of a corporation, corporate officer, etc. (opposed to intra vires). adverb, adjective 1. (predicative) (law) beyond the legal power or authority of a person, corporation, agent, etc
- Ultravirus
noun, plural ultraviruses. 1. filterable virus. noun 1. a virus small enough to pass through the finest filter ultravirus ul·tra·vi·rus (ŭl’trə-vī’rəs) n. A filterable virus.