nonacoptic

N1O1N1A1C3O1P3T1I1C3

adjective

Self-intersecting.

Opposite
Scrabble 16

Meanings

adjectivenonacoptic (not comparable)
  1. not comparableuncommongeometrySelf-intersecting.
    1 more example

    1999, Grünbaum, Branko, "Acoptic polyhedra", Advances in discrete and computational geometry (South Hadley, MA, 1996) (PDF), Contemp. Math., 223, Amer. Math. Soc., Providence, RI, pp. 163–199, doi:10.1090/conm/223/03137, MR 1661382. See Norgate [N2], where nonacoptic pentahedra are investigated as well.

Synonyms & antonyms

Opposite

Origin

From non- + acoptic, introduced by the mathematician Branko Grünbaum to clarify terminology in the geometry of polygons and polyhedra. Initially he used the term coptic, but abandoned it in favor of nonacoptic in later writings.

Full word history & related roots →
Cite this entry
APA

nonacoptic. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/nonacoptic

MLA

“nonacoptic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nonacoptic. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “nonacoptic,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/nonacoptic.

Source: nonacoptic on Wiktionary, CC BY-SA 4.0.