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attosecond

Definition from Dictionary, a free dictionary
An idea that is not dangerous is unworthy of being called an idea at all.
Don Marquis
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English

Etymology

atto- + second

Noun

Singular
attosecond

Plural
{{{1}}}

attosecond ({{{1}}})
  1. A unit of time equal to 0.000 000 000 000 000 001 seconds and with symbol as.

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