- (in the Bible) the second son of Adam and Eve, murdered by his brother Cain（圣经）亚伯（亚当和夏娃的第二子, 被其兄该隐所杀）。
- Abel2, Niels Henrik (1802-29), Norwegian mathematician. He proved that equations of the fifth degree cannot be solved by conventional algebraic methods, and made advances in the fields of power series and elliptic functions.阿贝尔, 尼尔斯·亨里克（1802-1829, 挪威数学家; 他证明五次方程不能用常规代数方法解出, 并促进了多次幂和椭圆函数的发展）。