| angstrom | <unit> A unit of length equal to 10-8 centimetres, used to measuremolecules. (12 Nov 1997) |
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| Angstrom scale | A table of wavelengths of a large number of light rays corresponding to as many Fraunhofer's lines in the spectrum. (05 Mar 2000) |
| Angstrom's law | A substance absorbs light of the same wavelength as it emits when luminous. (05 Mar 2000) |
| Angstrom, Anders | <person> Swedish physicist, 1814-1874. See: angstrom, Angstrom's law, Angstrom unit, Angstrom scale. (05 Mar 2000) |