gyroid

== English == === Etymology === From gyro- +‎ -oid. === Pronunciation === Rhymes: -ɔɪd === Noun === gyroid (plural gyroids) (mathematics) An infinitely connected periodic minimal surface containing no straight lines. Coordinate term: lattice (crystallography) Synonym of pentagonal icositetrahedron or pentagonal icosikaitetrahedron. Hypernym: polyhedron === Adjective === gyroid (not comparable) (crystallography) Synonym of gyroidal.