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单词 luminescence
释义
luminescence
noun[UorS]
uk
/ˌluː.mɪˈnes.əns/us
/ˌluː.məˈnes.əns/
chemistry,physicsspecialized
the giving out oflightby asubstancethat has not beenheated:
发光，冷光
Avarietyoflightingelementsare used, fromLEDtochemicalluminescence.几种发光元素，从LED到冷光都用到了。
Compare
incandescence
literary
softlight:
弱光，冷光
Thecarheadlightslitthedrivewaywith apoolofbrightluminescence.汽车头灯打出一片明亮的冷光，照亮了车道。
The table-lampthrewasoftluminescenceacrossthechair.台灯在椅子上洒下柔和的光。
See
luminescent
More examples
  • Theartifactsweredatedusingopticallystimulatedluminescence.
  • Theoceanoftenemitsavisibleglow, or luminescence, whichextendsformilesatnight.
  • Theytoilover theperfectshadeofpigment, thearchitecturaldetailsof anelaboratebuilding, the luminescence of awineglass.
SMART Vocabulary: related words and phrases
Giving out light
  • afire
  • albedo
  • beam
  • bioluminescence
  • brighten
  • burnished
  • candlelit
  • flicker
  • glimmer
  • glitter
  • illuminate
  • non-glare
  • non-luminous
  • out-glitter
  • pearlescence
  • pearlescent
  • reflected ray
  • shine
  • spotlight
  • wink
See more results »

You can also find related words, phrases, and synonyms in the topics:

The qualities of light
(Definition ofluminescencefrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

Examplesofluminescence

luminescence
The pseudo-colour panels represent 10 s of accumulatedluminescence.
From theCambridge English Corpus
Often, there is a gradational transition inluminescencefrom weak to stronger, followed by an abrupt return to weakluminescence.
From theCambridge English Corpus
The central chapters contain information aboutluminescencecentres, categorized according to centre type.
From theCambridge English Corpus
Luminescenceof aequorin is triggered by the binding of two calcium ions.
From theCambridge English Corpus
His eyes glow; his long, slender fingers are like tongues of flame; the colour of his skin is more aluminescencethan a colour.
From theCambridge English Corpus
This panel represents 60 s of accumulatedluminescence.
From theCambridge English Corpus
Nevertheless, this is an important volume that students ofluminescencein mineralogy will value.
From theCambridge English Corpus
This irradiating process induces aluminescencein the visible wavelength.
From theCambridge English Corpus
It includes a discussion of the benefits of time-resolvedluminescenceas against continuous excitation - an important and expanding field.
From theCambridge English Corpus
The iris is checked for pupil size, constriction, reflectedluminescence, and synechia.
From theCambridge English Corpus
Alternatively, the variations in trace element abundance andluminescencemay be simply coincidental and crystal lattice defects related to growth rate may be playing an important role.
From theCambridge English Corpus
Some substructure can be observed on the images of the compressed coreluminescence, though the appreciable asymmetry of the form has been detected in only one experiment.
From theCambridge English Corpus
Alas, this policy has progressively lost itsluminescenceand radiance.
FromEuroparl Parallel Corpus - English
The source ofluminescenceis symbiotic bacteria that dwell in and around the esca.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
Variations in the substituents on the quinoline rings affect itsluminescenceproperties.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/luminescence##
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更新时间：2025/2/10 22:40:05