ANGSTROM

angstrom, angstrom unit

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

Source: WordNet® 3.1

Etymology

Noun

angstrom (plural angstroms)

(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.

Noun

Angstrom (countable and uncountable, plural Angstroms)

Alternative letter-case form of angstrom

A surname.

Source: Wiktionary

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