femto-

English

Etymology

From Danish femten (“fifteen”), and the previous name of the femtometer, the fermi.

Prefix

SI prefix

f	Previous:	atto-
	Next:	pico-

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.

   Antonym: peta-

Derived terms

English words prefixed with femto-

Translations

prefix

• Bulgarian: фемто- (femto-)
• Chinese:

  Mandarin: 飞- (fēi-)

• Czech: femto-
• Danish: femto-
• Finnish: femto- (fi)
• French: femto- (fr)

• Galician: femto- (gl)
• Icelandic: femtó-
• Indonesian: femto-
• Japanese: フェムト (ja) (femuto)
• Malay: femto-
• Swedish: femto- (sv)

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Czech

Prefix

femto-

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

Derived terms

Czech words prefixed with femto-

Further reading

• femto- in Kartotéka Novočeského lexikálního archivu

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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)

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Finnish

Prefix

femto-

1. femto-

Derived terms

Finnish words prefixed with femto-

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French

Pronunciation

• Audio

  (file)

Prefix

femto-

1. femto-

Derived terms

French words prefixed with femto-

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Italian

Prefix

femto-

1. femto-

Derived terms

Italian words prefixed with femto-

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Swedish

Prefix

femto-

1. femto-