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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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The simplest schoolboy is now familiar with truths for which Archimedes would have sacrificed his life. - Click here to find out.
Fact of the day
In the past 60 years, the groundhog has only predicted the weather correctly 28% of the time. The rushing back and forth from burrows is believed to indicate sexual activity, not shadow seeking.