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Origin of quantum mechanics
OTHER WORDS FROM quantum mechanicsquan·tum-me·chan·i·cal, adjective
Words nearby quantum mechanics
British Dictionary definitions for quantum mechanics
Scientific definitions for quantum mechanics
Cultural definitions for quantum mechanics
The branch of physics that deals with the behavior of matter at the level of the atom, the nucleus, and the elementary particle. At this level, energy, mass, momentum, and other quantities do not vary continuously, as they do in the large-scale world, but come in discrete units, or quanta. (See Bohr atom and photon.)