femtometers (0 synonym found)

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femtometre  ·  femtometer  ·  hectometers  ·  femtometres

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Definition of femtometers:

(n) : US spelling of femtometre. [(metrology) An SI unit of length equal to 10⁻¹⁵ metres. Symbol: fm]
Definition of femtometers:

(n) : US spelling of femtometre. [(metrology) An SI unit of length equal to 10⁻¹⁵ metres. Symbol: fm]
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