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BNC: 0 COCA: 29177
BNC: 0 COCA: 29177

angstrom

noun

ang·​strom ˈaŋ-strəm How to pronounce angstrom (audio)
also
ˈȯŋ- How to pronounce angstrom (audio)
: a unit of length equal to one ten-billionth of a meter

Example Sentences

Recent Examples on the Web In the best cases, researchers can now make maps with resolutions below 2 angstroms, putting cryo-EM on par with crystallography. Eric Hand, Science | AAAS, 23 Jan. 2020 The technique allowed them to see Zika at a resolution of just 3.1 angstroms. Jaclyn Jeffrey-wilensky, STAT, 26 June 2018 Gaps between the probes measure a mere 100 angstroms – roughly the space occupied by 66 hydrogen molecules – which requires the manufacturing process to be perfect, lest a researcher end up looking at the wrong probe. Brian Alexander, WIRED, 1 June 2000

Word History

Etymology

Anders J. Ångström

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of angstrom was in 1881
BNC: 0 COCA: 29177

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