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A metric unit of length equal to one quadrillionth of a meter
Answer for the clue "A metric unit of length equal to one quadrillionth of a meter ", 10 letters:
femtometre
Word definitions for femtometre in dictionaries
Wikipedia
Word definitions in Wikipedia
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 ...
WordNet
Word definitions in WordNet
n. a metric unit of length equal to one quadrillionth of a meter [syn: femtometer , fermi ]
Wiktionary
Word definitions in Wiktionary
n. 10 -15 of a metre. Symbol: fm
Usage examples of femtometre.
Unlike the terms needed to describe the Dive, which are applicable to every quartic femtometre of spacetime.