spec. All the electrons of an atom (together with its nucleus) other than the valency electrons.
| 单词 | θ79086 | 
| 释义 | the world > matter > physics > atomic physics > particle physics > particle avoiding strong interaction > electron > 			[noun]		 > electrons in an atom (1)		 core1926 spec. All the electrons of an atom (together with its nucleus) other than the valency electrons. | 
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