GNU Collaborative International Dictionary of English

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Found 2 definitions

  1.       
    Octa- (?). A prefix meaning eight. See Octo-.

    [1913 Webster]

  2.       
     Octo- (?), Octa- (?) . [L. octo eight, Gr. ὀκτώ, with a combining form ὀκτα-.  Cf. Eight.] A combining form meaning eight; “as in octodecimal, octolocular”.

    [1913 Webster]

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