English edit

Etymology edit

non- +‎ contractible

Adjective edit

noncontractible (not comparable)

  1. Not contractible.
    • 2015, Thomas McConville, “Homotopy type of intervals of the second higher Bruhat orders”, in arXiv[1]:
      For this case, we prove that the noncontractible intervals are in natural correspondence with the zonogonal tilings of a zonogon.