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The act or state of emanating or emitting something
“Any alteration in the velocity of a moving charge is thus always accompanied by a radiation of energy from it.”
The act or fact of disseminating something over a wide area
“The thermolight projects parallel rays with an even radiation of light over the surface treated.”
The act or fact of diverging or diffracting from a single point
“Calculate the light distribution, taking into account the spectral radiation of the light.”
Contamination of an environment with radioactive particles
“One of these was radiological protection, to prevent dangerous radiation from the reactor harming the ships crew and also people outside the submarine when in harbour.”
A ray or shaft of light
A branching-out, or the act or result of developing branches
High-energy radiation from space
Electromagnetic radiation produced by bombarding a target in a vacuum
A region in which a physical force operates
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