Crossword clues for femtometre
Wiktionary
femtometre
n. 10-15 of a metre. Symbol: fm
WordNet
femtometre
n. a metric unit of length equal to one quadrillionth of a meter [syn: femtometer, fermi]
Wikipedia
Femtometre
The femtometre (American spelling femtometer, symbol fm derived from the Danish and Norwegian word femten, "fifteen"+ Ancient Greek: , , "unit of measurement") is an SI unit of length equal to 10 metres. This distance can also be called a fermi and was so named in honour of physicist Enrico Fermi, as it is a typical length-scale of nuclear physics.
Usage examples of "femtometre".
Unlike the terms needed to describe the Dive, which are applicable to every quartic femtometre of spacetime.