orbital

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noun or·bit·al \ˈȯr-bə-təl\

Definition of orbital

  1. :  a mathematically described region around a nucleus in an atom or molecule that may contain zero, one, or two electrons

Origin and Etymology of orbital

orbital, adjective


First Known Use: 1932


ORBITAL Defined for English Language Learners

orbital

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noun or·bit·al \ˈȯr-bə-təl\

Definition of orbital for English Language Learners

  • : a highway that goes around a city


Medical Dictionary

orbital

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noun or·bit·al \ˈȯr-bət-əl\

Medical Definition of orbital

  1. :  a subdivision of a nuclear shell containing zero, one, or two electrons



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