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

Examples of angstrom in a Sentence

Recent Examples on the Web Instead of evenly doping a transistor channel, the company’s strategy is to lay down the channel in three layers, each about 50 to 100 angstroms thick, and each with a different concentration of dopant. IEEE Spectrum, 7 Dec. 2011 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

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'angstrom.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near angstrom

angster

angstrom

Ångström

Cite this Entry

“Angstrom.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/angstrom. Accessed 24 Apr. 2024.

Kids Definition

angstrom

noun
ang·​strom ˈaŋ-strəm How to pronounce angstrom (audio)
: a unit of length used especially of wavelengths (as of light) and equal to one ten-billionth of a meter
abbreviation Å

Medical Definition

angstrom

noun
ang·​strom
ˈaŋ-strəm also ˈȯŋ-
: a unit of length equal to one ten-billionth of a meter

Biographical Definition

Ångström

biographical name

Ång·​ström ˈaŋ-strəm How to pronounce Ångström (audio)
ˈȯŋ-
Anders Jonas 1814–1874 Swedish physicist

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