subfemtosecond

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adjective

Of or pertaining to time spans of less than a femtosecond

“subfemtosecond intervals”

OriginEnglish femtosecond ← Latin sub- →
Scrabble 24
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Meanings

adjectivesubfemtosecond (not comparable)
  1. not comparablenatural sciencesOf or pertaining to time spans of less than a femtosecond

    subfemtosecond intervals

Origin

  1. Latinsub
  2. Latinsub-
  3. Englishsub-
  4. Englishfemtosecond
  5. Englishsubfemtosecond

From sub- + femtosecond.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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