monotile

== English == === Etymology === From mono- (“one”) +‎ tile. === Pronunciation === === Noun === monotile (plural monotiles) (geometry) A prototile tiling monohedrally; any shape able to completely tile some space on its own (allowing for translation, rotation, and reflection). Hyponym: einstein ==== Related terms ==== === References === Siobhan Roberts (28 March 2023), “Elusive 'Einstein' Solves a Longstanding Math Problem”, in The New York Times‎[2], New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 4 April 2023: “Dr. Goodman-Strauss had raised this subtlety on a tiling listserv: "Is there one hat or two?" The consensus was that a monotile counts as such even using its reflection.” === Further reading === Einstein problem on Wikipedia.Wikipedia