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English

angstroms

|ang-stroms|

C2

/ˈæŋstrəmz/

(angstrom)

tiny length unit: 10^-10 m

Base FormPlural
angstromangstroms
Etymology
Etymology Information

'angstrom' originates from Swedish, specifically the surname 'Ångström', named after physicist Anders Jonas Ångström.

Historical Evolution

'angstrom' was adopted in late 19th-century scientific literature (from 'Ångström'), and the English plural 'angstroms' developed by regular pluralization.

Meaning Changes

Initially, it denoted a unit used in spectroscopy to measure wavelengths of light; today it broadly denotes 10^-10 meters for atomic-scale distances.

Meanings by Part of Speech

Noun 1

plural of 'angstrom'.

The interatomic distances are given in angstroms.

Noun 2

units of length equal to 10^-10 meters, used especially for wavelengths and atomic-scale distances.

X-ray wavelengths are typically a few angstroms.

Last updated: 2025/08/09 16:22