الوسيط
(سريوم): عنصر فلزي من العناصر النادرة. (مج).
Arabic modern dictionary. Al-Waseet, Al-Ghani, Al-Muheet, Mu'jam Al-Lughah Al-Arabiyah Al-Mu'asirah.
Arabic modern dictionary. Al-Waseet, Al-Ghani, Al-Muheet, Mu'jam Al-Lughah Al-Arabiyah Al-Mu'asirah.