Definition of triboluminescence in English:

Share this entry


Pronunciation: /ˌtrībōˌlo͞oməˈnesəns/


The emission of light from a substance caused by rubbing, scratching, or similar frictional contact.
Example sentences
  • Even today we have a limited understanding of triboluminescence and much remains to be discovered.
  • The English scholar Francis Bacon observed triboluminescence as he chopped blocks of cane sugar at night in 1605.
  • When the crystals are pressed or scraped with a rod, the bright green flashes of the triboluminescence will be observed.



Example sentences
  • It occurred to me, however, that triboluminescent materials, which emit light only when fractured, could offer a better approach.
  • Some scientists believe that crystal structure and impurities are central to whether a material becomes triboluminescent.
  • One reference states that research is underway to apply triboluminescent flashes to sense automobile crashes and inflate air bags.

For editors and proofreaders

Syllabification: tri·bo·lu·mi·nes·cence

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.