Physics. Of an atom or an orbiting electron, or a nucleus, molecule, etc.: not in its ground state; able to lose energy by emitting electromagnetic…
| 单词 | θ79951 |
| 释义 | the world > matter > physics > quantum theory > raising energy level, excitation > [noun] > state of lowest level > higher level than (1) excited state1921 Physics. Of an atom or an orbiting electron, or a nucleus, molecule, etc.: not in its ground state; able to lose energy by emitting electromagnetic… |
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