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octad |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Octad \Oc"tad\, n. [Gr. ?, ?, the number eight.] (Chem.) An atom or radical which has a valence of eight or is octavalent. From WordNet r 1.6 [wn]: octad n : the cardinal number that is the sum of seven and one [syn: {eight}, {8}, {VIII}, {eighter}, {eighter from Decatur}, {ogdoad}, {octonary}, {octet}]
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