Meanings
Synonyms & antonyms
nounAn SI unit of radioactive activity equal to 10⁻¹⁵ becquerels. Symbol: f
Origin
- Proto-Indo-European*pénkʷe
- Proto-Germanic*fimf
- Proto-Indo-European*déḱm̥
- Proto-Germanic*tehun
- Proto-Germanic*fimftehun
- Old Norsefimmtán
- Danishfemten
- Englishfemto-
- Englishbecquerel
- Englishfemtobecquerel
Cite this entry
femtobecquerel. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/femtobecquerel
“femtobecquerel.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/femtobecquerel. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “femtobecquerel,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/femtobecquerel.
Source: femtobecquerel on Wiktionary, CC BY-SA 4.0.