# angstrom

> English word · Noun · IPA /ˈæŋstɹəm/ · frequency rank #97,787

## Definitions
1. 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.

## Etymology
Borrowed from Swedish ångström, named after Swedish physicist Anders Jonas Ångström.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/angstrom