luminescence
[ loo-muh-nes-uh ns ]
/ ˌlu məˈnɛs əns /
noun
the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies.
the light produced by such an emission.
OTHER WORDS FROM luminescence
lu·mi·nes·cent, adjective non·lu·mi·nes·cence, noun non·lu·mi·nes·cent, adjective un·lu·mi·nes·cent, adjectiveWords nearby luminescence
luminance,
luminaria,
luminary,
lumine,
luminesce,
luminescence,
luminiferous,
luminism,
luminophore,
luminosity,
luminosity class
Example sentences from the Web for luminescence
British Dictionary definitions for luminescence
luminescence
/ (ˌluːmɪˈnɛsəns) /
noun
physics
- the emission of light at low temperatures by any process other than incandescence, such as phosphorescence or chemiluminescence
- the light emitted by such a process
Derived forms of luminescence
luminescent, adjectiveWord Origin for luminescence
C19: from Latin
lūmen light
Medical definitions for luminescence
luminescence
[ lōō′mə-nĕs′əns ]
n.
The emission of light that does not derive energy from the temperature of the emitting body, as in fluorescence and bioluminescence.
The light so emitted.
Scientific definitions for luminescence
luminescence
[ lōō′mə-nĕs′əns ]
The emission of light as a result of the excitation of atoms by energy other than heat. Bioluminescence, fluorescence, and phosphorescence are examples of luminescence that can be produced by biological or chemical processes.
The light produced in this way.