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Octo-

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Octo- \Oc"to-\, Octa- \Oc"ta-\ [L. octo eight, Gr. ?, with a
   combining form ?. Cf.{Eight}.]
   A combining form meaning eight; as in octodecimal,
   octodecimal, octolocular.
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