fournessとは 意味・読み方・使い方

名詞

fourness (uncountable)

1. The property or state of being four in number.

   Synonyms: quaternity; see also Thesaurus:fourness

   • 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.