English edit

Etymology edit

fifteen +‎ -ness

Noun edit

fifteenness (uncountable)

  1. The property of being fifteen.
    • 1975, Richard Buckminster Fuller, E. J. Applewhite, Synergetics; explorations in the geometry of thinking, Volume 1:
      The fifteenness is unique to the icosahedron and probably valves the 15 great circles of the icosahedron.
    • 1986, Shahidullah Faridi, Inner aspects of faith:
      In short, the number fifteen cannot in any manner be separated from its fifteenness.