octad

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English[edit]

Etymology[edit]

From oct- +‎ -ad.

Pronunciation[edit]

Noun[edit]

octad (plural octads)

  1. A group of eight things.
    Synonym: octonary
  2. (historical) hundred million = myriad myriad; 100,000,000 = 108 [from 16th c.]

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