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noun
A metric unit of length equal to one trillionth of a meter.
synonyms: micromicron, picometer.
is a specific kind of: metric linear unit.
has as a part: femtometer, femtometre, fermi.
is a part of: A, angstrom, angstrom unit.
domain region: Canada | Britain, Great Britain, U.K., UK, United Kingdom, United Kingdom of Great Britain and Northern Ireland.
Polish: bikron, mikromikron, pikometr, pm
Find more on picometre elsewhere: etymology - rhymes - Wikipedia.
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