Compton effect

Compton effect

noun Physics.
the increase in wavelength of monochromatic, electromagnetic radiation, as a beam of photons or x-rays, when it is scattered by particles whose size is small compared to the wavelength of the radiation.
Also called Comp·ton-De·bye effect [komp-tuhn-de-bahy] .


Origin:
1920–25; named after A. H. Compton
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Compton effect is always a great word to know.
So is surface tension. Does it mean:
the elasticlike force existing in the surface of a liquid caused by asymmetries in the intermolecular forces between surface molecules
a progressive disturbance propagated in a medium without progress or advance by the points themselves, as in the transmission of sound or light
Collins
World English Dictionary
Compton effect (ˈkɒmptən)
 
n
a phenomenon in which a collision between a photon and a particle results in an increase in the kinetic energy of the particle and a corresponding increase in the wavelength of the photon
 
[C20: named after Arthur Holly Compton (1892--1962), US physicist]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
Compton effect  
An increase in the wavelength of electromagnetic radiation, especially of x-rays or gamma-rays, when the photons constituting the radiation collide with free electrons. As a result of the Compton effect, the photons transfer some of their energy to the electrons. It is mainly through the Compton effect that matter absorbs radiant energy.
The American Heritage® Science Dictionary
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