nephrosis neÂ·phroÂ·sis (nÉ-frÅ'sÄ­s) n. pl. neÂ·phroÂ·ses (-sÄz) Disease of the kidneys marked by degeneration of renal tubular epithelium. See nephrotic syndrome.
Ultraviolet light is a form of radiation which is not visible to the human eye. It's in an invisible part of the electromagnetic spectrum. Radiated energy, or radiation, is given off by many objects: a light bulb, a crackling fire, and stars are some examples of objects which emit radiation. The type of radiation being emitted depends on the temperature of the object.
ultraviolet. n. 1. (General Physics) the part of the electromagnetic spectrum with wavelengths shorter than light but longer than X-rays; in the range 0.4 Ã 10 -6 and 1 Ã 10 -8 metres. adj. 2. (General Physics) of, relating to, or consisting of radiation lying in the ultravioletAbbreviation: UV: ultraviolet radiation.