Femtometer Definition
    noun
  
 US spelling of femtometre: A length of 10-15 of a meter, 1 quadrillionth of a meter.
Wiktionary 
Synonyms: 
  Other Word Forms of Femtometer
Noun
Singular:
 femtometerPlural:
 femtometersOrigin of Femtometer
-  femto- + meter From Wiktionary 
Find Similar Words
Find similar words to femtometer using the buttons below.