angstrom
a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation • Syn: angstrom unit, A • Hypernyms: metric linear unit • Part Holonyms: nanometer, nanometre, nm, millimicron, micromillimeter, micromillimetre • Part Meronyms: picometer, picometre, micromicron
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