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HOME | Definition of octad (OCTAD, Octad)

    Octad \Oc"tad\, n. [Gr. ?, ?, the number eight.]
    1. (Chem.) An atom or radical which has a valence of eight,
    or is octavalent.
    [1913 Webster]

    2. A group of eight things.
    [PJC]

    The Collaborative International Dictionary of English v.0.48


    octad
    n : the cardinal number that is the sum of seven and one [syn: eight,
    8, VIII, eighter, eighter from Decatur, ogdoad,
    octonary, octet]

    WordNet (r) 2.0


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