n. a unit of length equal to one ten millionth of a millimetre (10?10 m). It is not a recommended *SI unit but is sometimes used to express wavelengths and interatomic distances: the *nanometre (1 nm = 10 Å) is now the preferred unit. Symbol Å.
Called after the Swedish physicist, this is a measurement of length and equals 1/10,000 of a micrometre, or one-hundred-millionth of a centimetre. It is represented by the symbol Å and is used to give the length of electromagnetic waves.... ångström unit
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