ANGSTROM Meaning of ANGSTROM in English n. (also {aring}ngstr{ouml}m) a unit of length equal to 10-10 metre. Usage: Symb.: {Aring}. Etymology: A.J. {Aring}ngstr{ouml}m, Swedish physicist d. 1874 Oxford English vocab. Оксфордский английский словарь. 2012