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Ång·ström  (ăngstrəm, ôngstrœm), Anders Jonas 1814-1874.
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Tweet Swedish physicist and astronomer who did founding work in spectroscopy. His study of the solar spectrum indicated the presence of hydrogen in the sun's atmosphere. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
| n. Abbr. A or Å , or angst A unit of length equal to one ten-billionth (10−10) of a meter, used especially to specify radiation wavelengths. Also called angstrom unit. [After Anders Jonas Ångström.] |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
