ND
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Tweet abbr. 1. no date 2. or N.D. North Dakota |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Nd
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Tweet The symbol for neodymium. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.