🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийالعربية한국어中文日本語EntityQ543242· pop 25· linked from 25 articlesconchoidgeometric locationAvailable in 24 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsالعربيةAlbanianBasqueCatalanConnectionsgeometryEntityInternational Standard Book NumberEntityCategoriesAncient Greek mathematicsPlane curves