Octad is a see also of polyad.
As nouns the difference between octad and polyad
is that octad is a group of eight things while polyad is a group consisting of an indeterminate number of things or people.
octad
English
Noun
(
en noun)
A group of eight things
Synonyms
*
Derived terms
* octadic
* octad of octads
Related terms
* octaeteris, octennium
polyad
English
See also
* monad
* dyad
* triad
* tetrad
* pentad
* hexad
* heptad
* octad
* nonad
* decad
* See also