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octadic

 - 2 dictionary results

oc⋅tad

  [ok-tad]
Use octadic in a Sentence
–noun
1. a group or series of eight.
2. Chemistry. an element, atom, or group having a valence of eight.
Origin:
1835–45; < Gk oktad- (s. of oktás) group of eight, equiv. to okt- oct- + -ad -ad 1

Related forms:
oc⋅tad⋅ic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To octadic
oc·tad   (ŏk'tād')   
n.  A group or sequence of eight.

[Greek oktas, oktad-, from oktō, eight; see oktō(u) in Indo-European roots.]
oc·tad'ic adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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