As nouns the difference between nonad and polyad
is that nonad is a collection, or series of nine things while polyad is a group consisting of an indeterminate number of things or people.
nonad
English
Noun
(
en noun)
a collection, or series of nine things
Derived terms
* nonadic
Usage notes
*True nonads seem to be rare. Most collections of nine things are actually triads of triads.
*Also the name of a photographic filter used for astronomy, meaning "no Sodium D-line", where Sodium has the symbol Na, from the Latin natrium .
Anagrams
*
*
polyad
English
See also
* monad
* dyad
* triad
* tetrad
* pentad
* hexad
* heptad
* octad
* nonad
* decad
* See also