quaternity

English

Etymology

quatern +‎ -ity, from Latin quaternitās, from quaternī (“in fours”).

Pronunciation

• IPA^(key): /kwəˈtɜː(ɹ)nɪti/

• Audio (Southern England)

  (file)

Noun

quaternity (countable and uncountable, plural quaternities)

1. (countable) A group or set of four.
2. (uncountable) The state of being four.

Synonyms

• (a group of four): quartet, tetrad; see also Thesaurus:quartet
• (state of being four): fourness; see also Thesaurus:fourness

Related terms

• quaternary
• unity (oneness)
• duality (twoness)
• trinity (threeness)
• quinity (fiveness)