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单词 subshell
释义

Definition of subshell in English:

subshell

adjective ˈsʌbʃɛl
  • Located or occurring beneath a shell.

noun ˈsʌbʃɛl
  • 1Chiefly Geology. A shell that lies beneath another shell; a subsidiary layer within a shell.

  • 2Physics and Chemistry. A set of allowed quantum states within a shell of an atom which can be occupied by electrons having the same value of the orbital quantum number l. Also: a corresponding set of allowed quantum states of nucleons in a nucleus.

  • 3Computing. An instance of a shell initiated by another shell.

Origin

Mid 19th century; earliest use found in Annals and Magazine of Natural History. From sub- + shell.

 
 

Definition of subshell in US English:

subshell

adjectiveˈsʌbʃɛl
  • Located or occurring beneath a shell.

nounˈsʌbʃɛl
  • 1Chiefly Geology. A shell that lies beneath another shell; a subsidiary layer within a shell.

  • 2Physics and Chemistry. A set of allowed quantum states within a shell of an atom which can be occupied by electrons having the same value of the orbital quantum number l. Also: a corresponding set of allowed quantum states of nucleons in a nucleus.

  • 3Computing. An instance of a shell initiated by another shell.

Origin

Mid 19th century; earliest use found in Annals and Magazine of Natural History. From sub- + shell.

 
 
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更新时间:2024/11/13 10:47:34