Science Fair Project Encyclopedia
Femto
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.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


