Word Study
femtometre
WORDNET DICTIONARY
Noun femtometre has 1 sense
- femtometre(n = noun.quantity) femtometer, fermi - a metric unit of length equal to one quadrillionth of a meter; Array is a kind of metric linear unit
is a part of micromicron, picometer, picometre
For further exploring for "femtometre" in Webster Dictionary Online