femtocandela

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noun

An SI unit of luminous intensity equal to 10⁻¹⁵ candelas. Symbol: fcd

Similar
fcd
OriginEnglish candela ← Danish femten ← Old Norse fimmtán →
Scrabble 20
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Meanings

nounfemtocandela (plural femtocandelas)

plural femtocandelas

  1. metrologyAn SI unit of luminous intensity equal to 10⁻¹⁵ candelas. Symbol: fcd

    Synonyms: fcd

Synonyms & antonyms

nounAn SI unit of luminous intensity equal to 10⁻¹⁵ candelas. Symbol: fcd

Similar
fcd

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. Englishcandela
  10. Englishfemtocandela

From femto- + candela.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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