Crossword clues for octad
The Collaborative International Dictionary
Octad \Oc"tad\, n. [Gr. ?, ?, the number eight.]
(Chem.) An atom or radical which has a valence of eight, or is octavalent.
A group of eight things.
n. A group of eight things
Usage examples of "octad".
The interstellar drive had yet to be run continuously for years and whole octads on end.