angstrom

Plural: angstroms

Noun

• A unit of length equal to one ten-billionth of a meter.
• a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
• 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.

Examples

• My chance of winning shrunk to the size of an ANGSTROM after that move.

Synonyms

A, angstrom unit, AU, Å, ㍳