(1814–74), Swedish physicist. He proposed a relationship between the emission and absorption spectra of chemical elements, and measured optical wavelengths in the unit later named in his honour.
Definition of Ångström, Anders Jonas in US English:
Ångström, Anders Jonas
proper nounˈôNGstrəm
(1814–1874), Swedish physicist. He proposed a relationship between the emission and absorption spectra of chemical elements and measured optical wavelengths in the unit later named in his honor.