acoptic

== English == === Etymology === Introduced by the mathematician Branko Grünbaum to clarify terminology in the geometry of polygons and polyhedra. From Ancient Greek ἀ- (a-, “not”) +‎ κόπτω (kóptō, “to cut”). === Pronunciation === === Adjective === acoptic (not comparable) (geometry, uncommon) Not self-intersecting. 1999, Branko Grünbaum, "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. ==== Antonyms ==== nonacoptic