ultraviolet

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1-14 of 14 possibilities

Definition/MeaningWord/Phrase
(computer science) a read-only memory chip that can be erased by ultraviolet light and programmed again with new data EPROM , erasable programmable read-only memory
plant sterol that is converted into vitamin D by ultraviolet radiation ergosterol
soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine fluor , fluorite , fluorspar
lamp consisting of a tube coated on the inside with a fluorescent material; mercury vapor in the tube emits ultraviolet radiation that is converted to visible radiation by the fluorescent material fluorescent lamp
ultraviolet lamp that emits a strong bluish light (rich in ultraviolet radiation) as electric current passes through mercury vapor mercury-vapor lamp
colorless gas (O3) soluble in alkalis and cold water; a strong oxidizing agent; can be produced by electric discharge in oxygen or by the action of ultraviolet radiation on oxygen in the stratosphere (where it acts as a screen for ultraviolet radiation) ozone
layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun ozone layer , ozonosphere
optical device that produces plane-polarized ultraviolet light Rochon prism , Wollaston prism
ray of artificial ultraviolet light from a sunray lamp sun-ray , sunray
cream spread on the skin; contains a chemical (as PABA) to filter out ultraviolet light and so protect from sunburn sunblock , sun blocker , sunscreen
process in which skin pigmentation darkens as a result of exposure to ultraviolet light tanning
any source of illumination that emits ultraviolet radiation ultraviolet lamp , ultraviolet source
spectrum of ultraviolet radiation ultraviolet spectrum
radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays ultraviolet , ultraviolet illumination , ultraviolet light , ultraviolet radiation , UV
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