First Known Use: 1932
Dictionary
orbital
noun
: a highway that goes around a city
Full Definition of ORBITAL
: a mathematically described region around a nucleus in an atom or molecule that may contain zero, one, or two electrons
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Origin of ORBITAL
orbital, adjective
Medical Dictionary
orbital
noun or·bit·al \ˈȯr-bət-əl\
Medical Definition of ORBITAL
: a subdivision of a nuclear shell containing zero, one, or two electrons
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