1 octad | Definition of octad

octad

noun
oc·​tad | \ ˈäkËŒtad\
plural -s

Definition of octad

: a group or arrangement of eight especially : a group of eight figures representing consecutive powers of ten in ancient mathematical notation

History and Etymology for octad

Greek oktad-, oktas number eight, body of eight men, from okta- octa- + -ad-, -as -ad

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