angstrom

ang·strom
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UK/ˈæŋstɹəm/UK/ˈæŋstɹʌm/US/ˈɔŋstɹəm/

noun

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
UncommonScrabble 11

Meanings

angstrom1

nounangstrom (plural angstroms)

plural angstroms · alternative Angstrom · alternative angström · alternative ångstrom · alternative ångström

  1. metrologyA 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.

    Synonyms: Å, angstrom unit, AU, ㍳

Angstrom2

nounAngstrom (countable and uncountable, plural Angstroms)

plural Angstroms

  1. countableuncountableAlternative letter-case form of ang­strom.

Synonyms & antonyms

nounA 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

More synonyms by meaning

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

Broader
metric linear unit
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Swedishångström
  2. Englishangstrom

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

Full word history & related roots →

Translations

Arabic أَنْغْسْتْرُوم, أَنْجْسْتْرُوم
  • أَنْغْسْتْرُوم (ʔanḡstrūm)a very small unit of length, 10−10 m
  • أَنْجْسْتْرُوم (ʔangstrūm)a very small unit of length, 10−10 m
Bulgarian а́нгстрьом
  • а́нгстрьом (ángstrjom)a very small unit of length, 10−10 m
Catalan àngstrom
  • àngstroma very small unit of length, 10−10 m
Chinese Mandarin 埃格斯特朗, 埃斯特朗
  • 埃格斯特朗 (āigésītèlǎng)a very small unit of length, 10−10 m
  • 埃斯特朗 (āisītèlǎng)a very small unit of length, 10−10 m
  • 埃米 (āimǐ)a very small unit of length, 10−10 m
  • 埃 (āi)a very small unit of length, 10−10 m
Danish ångstrøm
  • ångstrøma very small unit of length, 10−10 m
Dutch ångström
  • ångströma very small unit of length, 10−10 m
Esperanto angstromo
  • angstromoa very small unit of length, 10−10 m
Finnish ångström
  • ångströma very small unit of length, 10−10 m
French ångström, angström
  • ångströma very small unit of length, 10−10 m
  • angströma very small unit of length, 10−10 m
  • aangströma very small unit of length, 10−10 m
German Ångström, Angström
  • Ångströma very small unit of length, 10−10 m
  • Angströma very small unit of length, 10−10 m
Greek άνγκστρομ
  • άνγκστρομ (ángkstrom)a very small unit of length, 10−10 m
Hebrew אנגסטרום
  • אנגסטרוםa very small unit of length, 10−10 m
Hungarian ångström
  • ångströma very small unit of length, 10−10 m
Indonesian angstrom
  • angstroma very small unit of length, 10−10 m
Irish angstram, aonad Angstrom
  • angstrama very small unit of length, 10−10 m
  • aonad Angstroma very small unit of length, 10−10 m
Japanese オングストローム
  • オングストローム (ongusutorōmu)a very small unit of length, 10−10 m
Korean 옹스트롬
  • 옹스트롬 (ongseuteurom)a very small unit of length, 10−10 m
Malay angstrom
  • angstroma very small unit of length, 10−10 m
Norwegian Bokmål ångstrøm
  • ångstrøma very small unit of length, 10−10 m
Polish angstrem
  • angstrema very small unit of length, 10−10 m
Portuguese angstrom
  • angstroma very small unit of length, 10−10 m
Russian а́нгстрем
  • а́нгстрем (ángstrɛm)a very small unit of length, 10−10 m
Slovak ångström
  • ångströma very small unit of length, 10−10 m
Spanish ángstrom
  • ángstroma very small unit of length, 10−10 m
Swedish ångström
  • ångströma very small unit of length, 10−10 m
Thai อังสตรอม
  • อังสตรอมa very small unit of length, 10−10 m
Turkish ångström
  • ångströma very small unit of length, 10−10 m
Cite this entry
APA

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

MLA

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

Chicago

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

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