Femto

From Academic Kids

Femto is a prefix (see all prefixes) to a unit and means that it is 10-15 times this unit, or, one quindecillionth (European) or one quadrillionth (American). Examples are one femtosecond or one femtometre.

Adopted in 1964, it comes from the Danish or Norwegian femten, meaning fifteen.

Template:SI prefixesca:Femto es:Femto fr:Femto it:Femto nl:Femto no:Femto pl:Femto sl:Femto vi:Femtô

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