octogonal

== English == === Adjective === octogonal (comparative more octogonal, superlative most octogonal) Obsolete form of octagonal. === References === “octogonal”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC. == French == === Etymology === From octogone +‎ -al. === Pronunciation === IPA(key): /ɔk.to.ɡo.nal/ === Adjective === octogonal (feminine octogonale, masculine plural octogonaux, feminine plural octogonales) octagonal === Further reading === “octogonal”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012 == Portuguese == === Alternative forms === octagonal === Pronunciation === Rhymes: (Portugal) -al, (Brazil) -aw Hyphenation: oc‧to‧go‧nal === Adjective === octogonal m or f (plural octogonais) octagonal ==== Derived terms ==== octogonalmente === Further reading === “octogonal”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026 “octogonal”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026 == Romanian == === Etymology === Borrowed from French octogonal. By surface analysis, octogon +‎ -al. === Adjective === octogonal m or n (feminine singular octogonală, masculine plural octogonali, feminine/neuter plural octogonale) octagonal ==== Declension ==== == Spanish == === Pronunciation === IPA(key): /oɡtoɡoˈnal/ [oɣ̞.t̪o.ɣ̞oˈnal] Rhymes: -al Syllabification: oc‧to‧go‧nal === Adjective === octogonal m or f (masculine and feminine plural octogonales) alternative form of octagonal === Further reading === “octogonal”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025