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English
noun
:
femtometre
1.
femtometre
(quantity)
a metric unit of length equal to one quadrillionth of a meter
Synonyms
femtometer
,
fermi
Broader (hypernym)
metric linear unit
Part meronym
micromicron
,
picometer
,
picometre
Based on WordNet 3.0 copyright © Princeton University.
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. English edition:
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.
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