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luminescence (luminosity)

Definition:

light from nonthermal sources

Class:

attribute noun (attributes of people and objects)

Related to:

luminesce | luminescent

Plural:

luminescences

Original source:

Princeton WordNet

Synonyms:

glow

Etymology:

Latin lumen, lumin- "light" + -escence (denoting a state)
(Source: Oxford Dictionary)  [more]

All senses of luminescence...

Definition references  (+images)

Britannica Encyclopedia:

luminescence [physics]

emission of light by certain materials when they are relatively cool. It's in contrast to light emitted from incandescent bodies, such as burning wood ... (24 of 557 words, 2 images)

www​.britannica​.com​/E​Bchecked​/topic​/351229​/luminescence

Wikipedia:

Luminescence

emission of light by a substance not resulting from heat; it's thus a form of cold body radiation. It can be caused by chemical reactions, electrical energy, subatomic motions, or stress on a crystal. This distinguishes luminescence from incandescence,... (39 of 481 words, 1 image)

en​.wikipedia​.org​/wiki​/Luminescence

Collins Dictionary:

luminescence | luminescent [adjective, derived]

[physics] the emission of light at low temperatures by any process other than incandescence, such as phosphorescence or chemiluminescence | the light ... (21 of 402 words, 2 definitions, 9 usage examples, pronunciation)

www​.collinsdictionary​.com​/dictionary​/english​/luminescence

Columbia Encyclopedia:

luminescence

general term applied to all forms of cool light, i.e., light emitted by sources other than a hot, incandescent body, such as a black body radiator. ... (26 of 226 words)

www​.infoplease​.com​/ce​6​/sci​/A​0830609​.html

Merriam-Webster:

luminescence | blaze [synonym] | flare [synonym] | fluorescence [synonym] | glare [synonym] | gleam [synonym] | glow [synonym] | illumination [synonym] | incandescence [synonym] | ...

the low-temperature emission of light (as by a chemical or physiological process) ; also, light produced by luminescence (18 of 135 words, 1 usage example, pronunciations)

www​.merriam-webster​.com​/dictionary​/luminescence

Oxford Dictionary:

luminescence | luminescent [derived]

the emission of light by a substance that has not been heated, as in fluorescence and phosphorescence (17 of 58 words, 1 usage example, pronunciation)

oxforddictionaries​.com​/definition​/english​/luminescence

American Heritage Dictionary:

luminescence

The emission of light that does not derive energy from the temperature of ... | The light so emitted. (18 of 50 words, 2 definitions, pronunciation)

www​.yourdictionary​.com​/luminescence

New World Dictionary:

luminescence

any giving off of light caused by the absorption of radiant or corpuscular energy and not by incandescence; any cold light; specifically, fluorescence ... (23 of 46 words, pronunciation)

www​.yourdictionary​.com​/luminescence

Macmillan British Dictionary:

luminescence [uncountable]

[literary] light that is not very bright | [physics] light that is produced without heat (14 of 37 words, 2 definitions, pronunciation)

www​.macmillandictionary​.com​/dictionary​/british​/luminescence

Random House Dictionary:

luminescence

the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. | the light produced by such an ... (24 of 32 words, 2 definitions, pronunciation)

dictionary​.infoplease​.com​/luminescence

Wiktionary:

luminescence [physics] | luminescences [plural]

Any emission of light that cannot be attributed merely to the temperature of the emitting body. (16 of 18 words)

en​.wiktionary​.org​/wiki​/luminescence

Cambridge Dictionary:

luminescent [literary or specialized] | luminescence [noun, derived]

producing a soft light (4 of 16 words, pronunciations)

dictionary​.cambridge​.org​/dictionary​/british​/luminescent

Encarta Dictionary:

luminescence

the emission of light produced by means other than heat incandescence, e.g. by phosphorescence, fluorescence, or bioluminescence | the light emitted ... (20 of 49 words, 2 definitions, pronunciation)

encarta​.msn​.com​/dictionary 1861738995​/definition​.html  [offline]

Etymology references

Oxford Dictionary:

luminescence

First use: late 19th century

Origin: Latin lumen, lumin- "light" + -escence (denoting a state)

oxforddictionaries​.com​/definition​/english​/luminescence

Collins Dictionary:

luminescence

First use: 19th century

Origin: from Latin lūmen light

www​.collinsdictionary​.com​/dictionary​/english​/luminescence

Merriam-Webster:

luminescence

First use: 1889

Origin: International Scientific Vocabulary lumin- + -escence

www​.merriam-webster​.com​/dictionary​/luminescence

Online Etymology:

luminescence

First use: 1889

Origin: Latin lumin-, lumen "light".

www​.etymonline​.com​/index​.php term=luminescence

New World Dictionary:

luminescence

Origin: Latin lumen, "light" + "-escence"

www​.yourdictionary​.com​/luminescence

Encarta Dictionary:

luminescence

First use: Late 19th century

Origin: luminescent from Latin lumin- "light"

encarta​.msn​.com​/dictionary 1861738995​/definition​.html  [offline]

Audio references

Collins Dictionary:

luminescence

Audio: British English pronunciation of "luminescence"

www​.collinsdictionary​.com​/dictionary​/english​/luminescence

Macmillan British Dictionary:

luminescence [uncountable]

Audio: British English pronunciation of "luminescence"

www​.macmillandictionary​.com​/dictionary​/british​/luminescence

Macmillan American Dictionary:

luminescence [uncountable]

Audio: North American pronunciation of "luminescence"

www​.macmillandictionary​.com​/dictionary​/american​/luminescence

Cambridge Dictionary:

luminescent [literary or specialized]

Audio 1: British English pronunuciation of "luminescence"

Audio 2: North American English pronunuciation of "luminescence"

dictionary​.cambridge​.org​/dictionary​/british​/luminescent

the Free Dictionary:

luminescence

Audio 1: North American English pronunciation of "luminescence"

Audio 2: British English pronunciation of "luminescence"

Audio 3: North American English pronunciation of "luminescence" by speech synthesizer

www​.thefreedictionary​.com​/luminescence

Google Dictionary:

luminescence

Audio: English pronunciation of "luminescence"

www​.google​.com​/#hl=en&tbs=dfn​:1&fp=1&q=luminescence

Merriam-Webster Pronunciation:

luminescence

Audio: North American pronunciation of "luminescence"

www​.merriam-webster​.com​/audio​.php file=lumine​02 word=luminescence

YourDictionary Audio:

luminescence

Audio: North American English pronunciation of "luminescence" by speech synthesizer

www​.yourdictionary​.com​/luminescence

Page last updated: 2013-06-26

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