English Dictionary

FLUORESCENCE

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 Dictionary entry overview: What does fluorescence mean? 

FLUORESCENCE (noun)
  The noun FLUORESCENCE has 1 sense:

1. light emitted during absorption of radiation of some other (invisible) wavelengthplay

  Familiarity information: FLUORESCENCE used as a noun is very rare.


 Dictionary entry details 


FLUORESCENCE (noun)


Sense 1

Meaning:

Light emitted during absorption of radiation of some other (invisible) wavelength

Classified under:

Nouns denoting natural phenomena

Hypernyms ("fluorescence" is a kind of...):

light; visible light; visible radiation ((physics) electromagnetic radiation that can produce a visual sensation)

Hyponyms (each of the following is a kind of "fluorescence"):

autofluorescence (self-induced fluorescence)

phosphorescence (a fluorescence that persists after the bombarding radiation has ceased)

Derivation:

fluoresce (exhibit or undergo fluorescence)

fluorescent (emitting light during exposure to radiation from an external source)


 Context examples 


Also called fluorescence in situ hybridization.

(FISH, NCI Dictionary)

The chemical characteristics of polydiacetylene cause it to change its fluorescence pattern when it binds to toxins.

(3-D gel-nanoparticle device detoxifies blood, NIH)

It is a white crystalline substance, C18H12, of strong blue fluorescence, but generally colored yellow by impurities.

(Chrysene, NCI Thesaurus)

Includes karyotyping, fluorescence in situ hybridization, and chromosome painting.

(Chromosome Rearrangement Detection, NCI Thesaurus/OSP)

Fluorescence is a luminescence (i.e., optical phenomenon) in cold bodies, in which a molecule absorbs a high-energy photon, and re-emits it as a lower-energy (longer-wavelength) photon.

(Fluorescence, NCI Thesaurus)

X-ray fluorescence is used in diagnosis.

(Fluorescence, NLM, Medical Subject Headings)

A unit of measure equal to the geometric mean fluorescence intensity of a log-normal distribution of fluorescence signals.

(Median Fluorescence Intensity, NCI Thesaurus)

A method used to aid in the detection of tooth decay by measuring fluorescence using a laser.

(Laser Fluorescence, NCI Thesaurus)

Fluorescence gives fluorochromes imaging characteristics and are used to label or stain biological structures.

(Fluorochrome Dye, NCI Thesaurus)

After hybridization occurs, the microarray chip is imaged and the captured fluorescence signals from the array are normalized and subjected to statistical analysis.

(ChIP-On-Chip, NCI Thesaurus)



 Learn English with... Proverbs 
"No time to waste like the present." (English proverb)

"The more you strike the steel, the more beautiful it becomes." (Albanian proverb)

"You are as many a person as the languages you know." (Armenian proverb)

"Don't look a gift horse in the mouth." (Corsican proverb)



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