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| or·bit·al [ áwrbit'l ] |
adjective |
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of orbits: relating to or belonging to an orbit
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noun (plural or·bit·als) |
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space in atom occupied by electron: a subdivision of the available space within an atom for an electron to orbit the nucleus. An atom has many orbitals, each of which has a fixed size and shape and can hold up to two electrons.
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 or·bit·al·ly adverb |
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