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attosecond

American  
[at-oh-sek-uhnd] / ˈæt oʊˌsɛk ənd /

noun

  • attoseconds
    plural
  1. a unit of time equal to one quintillionth (10-18) of a second. Abbreviation: as.


Other Word Forms

Noun Inflected Forms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The discovery comes from a collaboration between TU Wien and the University of California San Diego and builds on research that helped establish the field of attosecond physics.

From Science Daily ● Oct. 29, 2026

The researchers envision the current study as the beginning of a whole new direction for attosecond science.

From Science Daily ● Feb. 15, 2024

"It's exciting to see these developments being applied to new kinds of experiments and taking attosecond science into new directions."

From Science Daily ● Feb. 15, 2024

My doctoral adviser’s group had a project dedicated to studying chemical reactions with attosecond pulses.

From Salon ● Oct. 10, 2023

But researchers couldn’t see movement on the electron scale until they could generate attosecond light pulses – electrons move too fast for scientists to parse exactly what they are up to at the femtosecond level.

From Salon ● Oct. 10, 2023

These interactions occur over attoseconds, with one attosecond equal to one billionth of a billionth of a second.

From Science Daily ● Oct. 29, 2026

In CuTe, with its chain-like structure, the transition exceeded 200 attoseconds.

From Science Daily ● Feb. 9, 2026

In fact, there are approximately as many attoseconds in one second as there are seconds in the age of the universe.

From Salon ● Oct. 10, 2023

With the newfound probes developed by Agostini, Krausz and L’Huillier, researchers can now generate laser pulses of merely a few dozen attoseconds.

From Scientific American ● Oct. 3, 2023

The Royal Swedish Academy of Sciences said the three laureates' experiments produced "pulses of light so short that they are measured in attoseconds".

From BBC ● Oct. 3, 2023

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