Definition that contains ultraviolet radiation
- ozone a 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)
- ultraviolet lamp any source of illumination that emits ultraviolet radiation
- denature modify (as a native protein) especially by heat, acid, alkali, or ultraviolet radiation so that all of the original properties are removed or diminished
- fluorescent lamp 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
- ultraviolet source any source of illumination that emits ultraviolet radiation
- ergosterol a plant sterol that is converted into vitamin D by ultraviolet radiation
- mercury-vapor lamp ultraviolet lamp that emits a strong bluish light (rich in ultraviolet radiation) as electric current passes through mercury vapor
- ultraviolet spectrum the spectrum of ultraviolet radiation
- ozone layer a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun
- ozonosphere a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun