femto-

English

Etymology

From Danish femten (“fifteen”), and the previous name of the femtometre, 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 (short scale quadrillionth or long scale billiardth). Symbol: f.

   Antonym: peta-

Derived terms

English terms prefixed with femto-

femtoampere

femtobarn

femtobecquerel

femtobel

femtocache

femtocaching

femtocandela

femtocell

femtochemical

femtochemistry

femtocoulomb

femtoelectronvolt

femtoengineering

femtofarad

femtogram

femtoinjection

femtojoule

femtokatal

femtolaser

femtolensing

femtoliter

femtolitre

femtomachine

femtomagnetism

femtometer

femtometre

femtometric

femtomolar

femtomole

femtophotography

femtopipette

femtoplankton

femtoscale

femtoscopy

femtosecond

femtotechnology

Translations

prefix

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

  Mandarin: 飞- (fēi-)

• Czech: femto-
• Danish: femto-
• Finnish: femto- (fi)
• French: femto- (fr)
• Galician: femto- (gl)
• Hungarian: femto- (hu)
• Icelandic: femtó-
• Indonesian: femto-
• Japanese: フェムト (ja) (femuto)
• Malay: femto-
• Polish: femto- (pl)
• Swedish: femto- (sv)
• Thai: เฟมโต- (feem-to-)
• Vietnamese: fem-tô, phem-tô

Czech

Pronunciation

• IPA^(key): [fɛmto ]

Prefix

femto-

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

Derived terms

Czech terms prefixed with femto-

femtometr

femtosekunda

Further reading

• “femto-”, in Kartotéka Novočeského lexikálního archivu (in Czech)

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

Etymology

Internationalism (see English femto-).

Pronunciation

• IPA^(key): /ˈfemto-/, [ˈfe̞mt̪o̞-]

Prefix

femto-

1. femto-

Derived terms

Finnish terms prefixed with femto-

femtosekunti

Further reading

• “femto-”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎^[1] (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 2023-07-02

French

Pronunciation

• Audio:

  (file)

Prefix

femto-

1. femto-

Derived terms

French terms prefixed with femto-

femtométrique

Indonesian

Etymology

From English femto-, from Danish femten (“fifteen”), and the previous name of the femtometre, the fermi.

Pronunciation

• IPA^(key): [ˈfɛmto]
• Hyphenation: fém‧to

Prefix

fémto

1. femto-: 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

Derived terms

Category Indonesian terms prefixed with femto- not found

Further reading

• “femto-” in Kamus Besar Bahasa Indonesia, Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016.

Italian

Prefix

femto-

1. femto-

Derived terms

Italian terms prefixed with femto-

femtochimica

femtogrammo

femtolitro

femtometrico

femtometro

femtosecondo

Polish

Etymology

Etymology tree

Proto-Indo-European *pénkʷe

Proto-Germanic *fimf

Proto-Indo-European *déḱm̥t

Proto-Germanic *tehun

Proto-Germanic *fimftehun

Old Norse fimmtánder.

Danish femtender.

Polish femto-

Derived from Danish femten.

Pronunciation

• IPA^(key): /fɛm.tɔ/

• Audio:

  (file)

• Rhymes: -ɛmtɔ
• Syllabification: [please specify syllabification manually]

Prefix

femto-

1. femto-

   ‎femto- + ‎metr → ‎femtometr

Derived terms

Category Polish terms prefixed with femto- not found

Further reading

• femto- in Polish dictionaries at PWN

Swedish

Prefix

femto-

1. femto-