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Luminescence caused by the excitation of electrons during the rubbing, crushing, or tearing of a material.

[Greek trībein, to rub; see terə- in Indo-European roots + luminescence.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(General Physics) luminescence produced by friction, such as the emission of light when certain crystals are crushed
ˌtriboˌlumiˈnescent adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌtraɪ boʊˌlu məˈnɛs əns, ˌtrɪb oʊ-)

luminescence produced by friction, usu. within a crystalline substance.
tri`bo•lu`mi•nes′cent, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


a form of Iuminescence created by friction. — triboluminescent, adj.
See also: Light
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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References in periodicals archive ?
- US-based triboluminescence based spectroscopy specialist Tribogenics has signed Singapore-based Horiba Scientific to distribute the company's new line of Watson hand-held XRF metal analysers throughout Southeast Asia, the company said.
My approach for The Chairs draws on the idea of Triboluminescence, a visible event that occurs when a material is physically altered and its chemical bonds are broken, releasing a burst of light.
Klimt, Triboluminescence of Coumarin Fluorescence and Dynamic Spectral Features Excited by Mechanical Stress, J.Am.Chem.Soc.
Triboluminescence is the phenomenon that produces light by pressure, friction or mechanical shock.
Then the samples were heated to 50[degrees]C for 1 h to remove the contribution of triboluminescence, if any, which is generated during powdering of the sample.
Some of these chapters handle relevant scientific concerns: the nature and origins of fluorescence, tenebrescence, triboluminescence and thermoluminescence; trace-element activators; and commonly fluorescent species, as presented in paragraph-length accounts.
This effect seems to be similar to mechanically induced thermoluminescence or triboluminescence. The thermal expansion coefficients are different for [Li.sub.2][B.sub.4][O.sub.7] crystal and glass phases.
(The same thing happens if you chew it with your teeth!) This is an example of triboluminescence.
This phenomenon has a name: triboluminescence (TRY-bow-loo-muh-NESS-ents).
These squares were, from early in the program, handled with a vacuum pickup tool that helped eliminate any introduction of foreign matter, e.g., finger grease, and reduce triboluminescence caused by tweezer manipulation.