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angstrom
'angstrom' - used as a noun
1. a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
Variations of 'angstrom'
 
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It is impossible to predict the time and progress of revolution. It is governed by its own more or less mysterious laws. - Click here to find out.
Fact of the day
The highest mountain in the Western Hemisphere is Mount Aconcagua in Argentina. It rises 22,834 feet above sea level.