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ALL meanings of femtometer

fem·to·me·ter
F f
  • noun femtometer fermi. Symbol: fm. 1
  • noun femtometer Alternative spelling of from=US A length of 10-15 of a meter, 1 quadrillionth of a meter. 1
  • noun femtometer US spelling of femtometre A length of 10-15 of a meter, 1 quadrillionth of a meter. 0
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