Online dictionaryOnline dictionary
Synonyms, antonyms, pronunciation

  Home 		English Dictionary      examples: 'day', 'get rid of', 'New York Bay'




Luminescence   /lˌumənˈɛsəns/   Listen
noun
Luminescence  n.  
1.
(Physics) Any emission of light not ascribable directly to incandescence, and therefore occurring at low temperatures, as in phosphorescence and fluorescence or other luminous radiation resulting from vital processes, chemical action, friction, solution, or the influence of light or of ultraviolet or cathode rays, etc.
2.
(Zool.)
(a)
The faculty or power of producing light by biological processes, as in the firefly and glowworm. Also called bioluminescence.
(b)
The light produced by biological or biochemical processes. Also called bioluminescence.





Collaborative International Dictionary of English 0.48


Advanced search
     Find words:
Starting with
Ending with
Containing
Matching a pattern  

Synonyms
Antonyms
Quotes
Words linked to  

only single words


Share |
Add this dictionary
to your browser search bar




"Luminescence" Quotes from Famous Books



... was made in daylight. I was aloft in my swooper at the time, hanging motionless about a mile up. Below, the groundships looked like a number of oval lozenges gliding across a map, each surrounded by a circular halo of luminescence that was its ...
— The Airlords of Han • Philip Francis Nowlan
... class of phenomena included under the general term "luminescence." The definition of this term is not thoroughly agreed upon, but light produced in this manner does not depend upon temperature in the sense that a glowing tungsten filament emits light because it is sufficiently hot. A phosphorus match rubbed in the moist palm of the hand is seen to ...
— Artificial Light - Its Influence upon Civilization • M. Luckiesh
... The luminescence, therefore, is controlled by the respiratory organs and the work produced is an oxidization. The white sheet supplies the oxidizable matter and the thick air-tube spreading into a tufty bush distributes the flow of air ...
— The Glow-Worm and Other Beetles • Jean Henri Fabre
... candle, lantern, head-light, cresset; publicity, public notice; phosphorescence, luminescence; aureole, halo, nimbus, aureola, glory. Associated Words: photology, photologist, photophobia, catoptrics, ...
— Putnam's Word Book • Louis A. Flemming


Copyright © 2025 Dictionary One.com