angstrom
noun /ˈæŋstrəm/
/ˈæŋstrəm/
(chemistry- a very small unit of length, equal to 1x10-10 metre, used for measuring wavelengths and the distance between atoms
埃（长度单位，等于 10-10 米，用于量度波长和原子间的距离） 词源late 19th cent.: named after A. J. Ångström (1814-1874), the Swedish physicist.