🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийفارسی한국어中文日本語EntityQ1292333· pop 20· linked from 208 articlesfree modulein algebra, a module that has a basisAvailable in 20 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoCatalanCzechGalicianConnectionsfree objectEntitymathematicsEntityCategoriesFree algebraic structuresModule theory