fourness

See also: Fourness

English

Etymology

four +‎ -ness

Noun

fourness (uncountable)

1. The property of being four in number.
   • 2005, John Dillon, The Heirs of Plato: A Study of the Old Academy (347-274 BC):

     There is such a thing as threeness, or fourness, and the threeness of three cannot be added to the fourness of four.

Synonyms

• quaternity; see also Thesaurus:fourness