photofission

[foh-tuh-fish-uhn, foh-tuh-fish-]

pho·to·fis·sion

[foh-tuh-fish-uhn, foh-tuh-fish-]
noun Physics.
nuclear fission induced by the absorption of a high-energy photon.

Origin:
1935–40; photo- + fission
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To photofission

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Photofission is always a great word to know.
So is thermal conductivity. Does it mean:
the amount of heat per unit time per area that can be conducted through a plate of thickness of a given material, differing by one unit of temperature
a progressive disturbance propagated in a medium without progress or advance by the points themselves, as in the transmission of sound or light
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