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Definition of ångstrom
1. Noun. (physics) A very small unit of length, 10-10 m, approximately the size of an atom, used especially to measure the wavelength of electromagnetic radiation or distances between atoms. Symbol '''Å''' ¹
2. Noun. (alternative form of angstrom) ¹
3. Noun. (alternative form of angstrom) ¹
4. Noun. (alternative form of angstrom) ¹
¹ Source: wiktionary.com