angstrom unit

A form of angstrom — 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.

Similar
angstromA
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Meanings

nounangstrom unit (plural angstrom units)

plural angstrom units

  1. alternativenatural sciencesAlternative form of angstrom.

Synonyms & antonyms

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

Similar
angstromA
Broader
metric linear unit
Also see
aangstrom

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

angstrom unit. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/angstrom%20unit

MLA

“angstrom unit.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/angstrom%20unit. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “angstrom unit,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/angstrom%20unit.

Source: angstrom unit on Wiktionary, CC BY-SA 4.0.