🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTürkçeРусскийالعربية한국어中文日本語EntityQ757568· pop 19· linked from 209 articlesatomic unitsAlso known as au, a.u., Hartree atomic unitssystem of measurementAvailable in 19 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةCatalanDanishConnectionssystem of unitsEntityInternational System of UnitsEntityCategoriesAtomic physicsNatural unitsSystems of units