nonad

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English[edit]

Etymology[edit]

non- +‎ -ad

Noun[edit]

nonad (plural nonads)

  1. a collection, or series of nine things

Synonyms[edit]

Derived terms[edit]

Usage notes[edit]

  • 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[edit]