chiliagon C2+ Topic:General Vocabulary US /ˈkɪliəˌɡɑn/ UK /ˈkɪliəɡən/ See IPA manual Meanings 1 noun a polygon with one thousand sides and one thousand angles The sum of the interior angles of a chiliagon is 179,640 degrees. Thesaurus Synonyms 1 noun · a polygon with one thousand... thousand-gon Word family Related forms polygonanglemyriagon Etymology From Ancient Greek khiliagonos, formed from khilioi, 'one thousand,' and gonia, 'angle.' The learned geometric term entered English for a thousand-sided polygon. Topics General Vocabulary External links Google Images Cambridge Dictionary Wiktionary # chiliagon **Type:** Word **Level:** C2+ **Part of speech:** noun **IPA (US):** /ˈkɪliəˌɡɑn/ **IPA (UK):** /ˈkɪliəɡən/ ## Meanings 1. a polygon with one thousand sides and one thousand angles ## Examples - The sum of the interior angles of a chiliagon is 179,640 degrees. ## Synonyms - thousand-gon ## Related Forms - polygon - angle - myriagon ## Etymology From Ancient Greek khiliagonos, formed from khilioi, 'one thousand,' and gonia, 'angle.' The learned geometric term entered English for a thousand-sided polygon. ## Topics - General Vocabulary markdown