Encyclopedia > Femto-

Article Content

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 femtometer. The origin of this prefix is the Danish word femten, which means fifteen.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Monaco Grand Prix

... the most demanding and probably one of the most dangerous tracks still in use in Formula One racing. In many ways, the Monaco course is an anachronism unsuitable for the ...