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| ang·strom [ ángstrəm ] (plural ang·stroms) |
noun |
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| Definition: |
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1. unit used to measure electromagnetic radiation: a unit of length equal to one ten-billionth of a meter (10-10 m), used to measure the wavelengths of electromagnetic radiations.
Symbol Å
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2. "a" with (°) above it: the letter "a" with a mark (°) placed above it, used in some Scandinavian languages to indicate a change in pronunciation from "a" to "aw"
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| [Late 19th century. After Anders Jonas Ångström (1814-1874), Swedish physicist] |
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