femtofarad

F4E1M3T1O1F4A1R1A1D2

noun

An SI unit of electrical capacitance equal to 10⁻¹⁵ farads. Symbol: fF

Similar
fF
OriginEnglish farad ← Danish femten ← Old Norse fimmtán →
Scrabble 19
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Meanings

nounfemtofarad (plural femtofarads)

plural femtofarads

  1. metrologyAn SI unit of electrical capacitance equal to 10⁻¹⁵ farads. Symbol: fF

    Synonyms: fF

Synonyms & antonyms

nounAn SI unit of electrical capacitance equal to 10⁻¹⁵ farads. Symbol: fF

Similar
fF

Origin

  1. Proto-Indo-European*pénkʷe
  2. Proto-Germanic*fimf
  3. Proto-Indo-European*déḱm̥
  4. Proto-Germanic*tehun
  5. Proto-Germanic*fimftehun
  6. Old Norsefimmtán
  7. Danishfemten
  8. Englishfemto-
  9. Englishfarad
  10. Englishfemtofarad

From femto- + farad.

Full word history & related roots →
Cite this entry
APA

femtofarad. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/femtofarad

MLA

“femtofarad.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/femtofarad. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “femtofarad,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/femtofarad.

Source: femtofarad on Wiktionary, CC BY-SA 4.0.