terms:radiation
The emission and propagation of energy through space or matter, distinguished by the fact that the speed of propagation equals that of light and requires no intervening medium for its transmission. Any form of energy propagated as rays, waves, or streams of particles; especially light and other electromagnetic waves, sound waves, and the emissions from radioactive substances. See alpha particle, beta particle, gamma ray, neutron generator, gamma ray source, and neutron source.
terms/radiation.txt · Last modified: 2023/11/22 08:42 by 127.0.0.1