angstrom
/ˈæŋstrəm/(亦作ångström, angstrom unit)(缩略词： Å)
noun
- a unit of length equal to one hundred-millionth of a centimetre, 10-10 metre, used mainly to express wavelengths and interatomic distances埃。
词源
late 19th cent.: named after A. J. ÅNGSTRÖM.