femtoseconds

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A form of femtosecond — An SI unit of time equal to 10⁻¹⁵ seconds. Symbol: fs

Scrabble 20
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Meanings

noun
  1. pluralplural of femtosecond
Cite this entry
APA

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

MLA

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

Chicago

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

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