subshell

subshell

English

Etymology

Etymology tree
Proto-Indo-European *upó
Proto-Italic *supo
Latin sub
Latin sub-der.
English sub-
Proto-Indo-European *(s)kelH-
Proto-Indo-European *skolH-yeh₂
Proto-Germanic *skaljō
Proto-West Germanic *skallju
Old English sċiell
Middle English schelle
English shell
English subshell

    From sub- + shell.

    Noun

    subshell (plural subshells)

    1. (chemistry, physics) Any of the atomic orbitals for which the values of the n and l quantum numbers are the same, such as the three 2p or five 3d atomic orbitals.
    2. (computing) A child process launched by a shell.

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