angstrom meaning: definition, etymology

angstrom

noun

UK /ˈæŋstɹəm/ · US /ˈæŋstɹəm/

Etymology Borrowed from Swedish ångström, named after Swedish physicist Anders Jonas Ångström.

Metrology, Natural sciences, Physical sciences, Physics A unit of length equal to 10⁻¹⁰ meters (that is, one ten-billionth of a meter), approximately the size of an atom, and denoted by the symbol Å, used especially to measure the wavelength of electromagnetic radiation or distances between atoms.

Synonyms: Å, angstrom unit, AU, ㍳
Derived terms: angstrom star, microangstrom, milliangstrom, subangstrom
Coordinate terms: micron