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ogdoad

/ˌɑgdəˈwæd/

Other forms: ogdoads

Definitions of ogdoad
  1. noun
    the cardinal number that is the sum of seven and one
    synonyms: 8, VIII, eight, eighter, eighter from Decatur, octad, octet, octonary
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    type of:
    digit, figure
    one of the elements that collectively form a system of numeration
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