Definitions for "Angstrom unit"
The unit used to define the wavelength of light waves.
A unit of length equal to one ten-billionth of a meter.
A unit of length equal to 10-10 meters or 10 microns. It is approximately fourbillionths of an inch. In solids, such as salt, iron, aluminum, the distance between atoms is usually a few Angstroms.
Keywords:  angular, acceleration