Aranan: cesium elementi caesium /ˈsiːzi.əm/ Giriş yap, bu kelimeyi “Kelimelerim”e ekle. Çeviriler isim caesium Environment caesiums Environment cesiums Environment cesium Environment Tanımlar (İngilizce) isim The chemical element (symbol Cs) with an atomic number of 55. It is a soft, gold-colored, highly reactive alkali metal.