luminescence


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lu·mi·nes·cence

 (lo͞o′mə-nĕs′əns)
n.
1. The emission of light that does not derive energy from the temperature of the emitting body, as in phosphorescence, fluorescence, and bioluminescence. Luminescence is caused by chemical, biochemical, or crystallographic changes, the motions of subatomic particles, or radiation-induced excitation of an atomic system.
2. The light so emitted.

luminescence

(ˌluːmɪˈnɛsəns)
n
(General Physics) physics
a. the emission of light at low temperatures by any process other than incandescence, such as phosphorescence or chemiluminescence
b. the light emitted by such a process
[C19: from Latin lūmen light]
ˌlumiˈnescent adj

lu•mi•nes•cence

(ˌlu məˈnɛs əns)

n.
1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies.
2. the light produced by such an emission.
[1885–90; < Latin lūmin- light + -escence]
lu`mi•nes′cent, adj.

lu·mi·nes·cence

(lo͞o′mə-nĕs′əns)
1. The emission of light as a result of the excitation of atoms by a source of energy other than heat. Bioluminescence, fluorescence, and phosphorescence are examples of luminescence that can be produced by biological or chemical processes.
2. The light produced in this way.

luminescence

Light emission from a substance caused by an effect other than heat. Fluorescence and phosphorescence are forms of luminescence.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.luminescence - light not due to incandescenceluminescence - light not due to incandescence; occurs at low temperatures
light, visible light, visible radiation - (physics) electromagnetic radiation that can produce a visual sensation; "the light was filtered through a soft glass window"
bioluminescence - luminescence produced by physiological processes (as in the firefly)
chemiluminescence - luminescence resulting from a chemical reaction as the oxidation of luciferin in fireflies
2.luminescence - light from nonthermal sources
brightness level, luminance, luminosity, luminousness, brightness, light - the quality of being luminous; emitting or reflecting light; "its luminosity is measured relative to that of our sun"
Translations

luminescence

[ˌluːmɪˈnesns] Nluminescencia f

luminescence

nLumineszenz f (spec), → Leuchten nt

lu·mi·nes·cence

n. luminosidad, emisión de luz sin producción de calor.
References in periodicals archive ?
Sun Chemical's Security Division will operate under the brand name of Luminescence, the manufacturer of security and brand protection inks that Sun Chemical acquired earlier this year.
THURSDAY, May 24, 2018 (HealthDay News) -- An ingestible micro-bio-electronic device (IMBED) could be used for in situ biomolecular detection based on environmentally resilient biosensor bacteria and luminescence readout electronics, according to a study published in the May 25 issue of Science.
The final type is called the luminescence process, in which scintillation photons are emitted.
Gadolinium vanadate (GdV[O.sub.4]) is a very important host for the luminescence of rare earth activators which find applications in the high-power solid state lasers, X-ray medical radiography, energy-saving fluorescent lamps, artificial production of light, other display devices [5-11], and temperature sensing [4].
In this work, we propose a novel luminescence method for the quantification of neonicotinoids in environmental waters.
This research originates from earlier studies of the authors on the Mg-Fe micas composition (Nebera et al., 2012) and the luminescence of feldspars (Boroznovskaya et al., 2012).
These findings make the studies of X-ray conductivity (XRC) and X-ray luminescence (XRL) in ZnSe single crystals topical.
Such pc-LED sources generate white light due to colour mixing of blue radiation from the LED chip with yellow luminescence of [Ce.sup.3+] ions, which is due to intercon-figurational 5d--4f transitions.
A technique called luminescence dating was used to date the ancient tools which were found in a rock shelter at the bottom of a cliff, on the edge of a sandy savannah plain some 300 km (186 miles) east of Darwin.
For this method, the measurement of the oxygen reduction in a hermetically closed Erlenmeyer is based on the effect of dynamic luminescence principle.
Presenting findings from their research on lanthanide glasses and materials, physicists and material scientists cover tunable and white light generation in lanthanide doped novel fluorophosphate glasses, lanthanides co-doped phosphate glasses for broadband applications, lanthanum doped borophosphate glasses for nuclear waste immobilization, crystallization studies of cerium containing iron borophosphate glasses/glass-ceramics, spectroscopic properties and energy transfer parameters of Nd3+ and Sm3+ doped lithium borate glasses, the relationship between the structural modification and luminescence efficiencies of ZnF2-Mo-TeO2 glasses doped with Ho3+ and Er3+ ions, and luminescence and energy transfer phenomena in lanthanide ions doped phosphor and glassy materials.