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ground state

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Definition of ground state in English:

noun

Physics
The lowest energy state of an atom or other particle.
Example sentences
  • When an atom or ion is in its ground state, the electrons spend a lot more time close to the nucleus than they do when the atom is in an excited state.
  • Nuclear isomers are excited states that eventually decay to the ground state, mostly by gamma radiation.
  • The ground state of a hydrogen atom is actually spherically symmetrical.

Definition of ground state in:

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