octad
[ ok-tad ]
/ ˈɒk tæd /
noun
a group or series of eight.
Chemistry. an element, atom, or group having a valence of eight.
Nearby words
oct-, oct., octa, octa-, octachord, octad, octadecanoic acid, octagon, octagon house, octagon scale, octagonal
Origin of octad
Related formsoc·tad·ic, adjective
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for octad
octad
/ (ˈɒktæd) /
noun
a group or series of eight
chem an element or group with a valency of eight
Derived Formsoctadic, adjective
Word Origin for octad
C19: from Greek oktās, from oktō eight
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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