English

Prefix

femto-

1. In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10⁻¹⁵. Symbol: f.

Antonyms

• peta-

Translations

Danish

Etymology

Created in 1962, by the Danish physicist Henning Højgaard Jensen (1918–2001), from the number femten ‎(“fifteen”).

Prefix

femto-

1. femto- (SI prefix for 10^-15)

Finnish

Prefix

femto-

1. femto-

French

Prefix

femto-

1. femto-

Italian

Prefix

femto-

1. femto-

Swedish

Prefix

femto-

1. femto-

Derived terms