You searched for: “angstroms
angstrom (s) (noun), angstroms (pl)
A unit of wavelength or distance, equivalent to 1/10,000 micrometer or 1/10,000,000,000 meter: An angstrom can be used to measure the distances between atoms.
This entry is located in the following unit: Astronomy and related astronomical terms (page 2)
angstrom, symbol Å (s) (noun), angstroms (pl)
A unit of length equal to one ten-billionth of a meter (10 meters or one-ten-millionth of a millimeter): The angstrom is used to measure the wavelengths of electromagnetic radiation.

It was named after Anders Jonas Ångström (1814-1874), a Swedish astrophysicist.

This entry is located in the following unit: Measurements and Mathematics Terms (page 2)