Definition of attosecond Attosecond
We found 3 definitions of attosecond from 4 different sources.
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What does attosecond mean?
WordNet
NounPlural: attoseconds |
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| attosecond - one quintillionth (10^-18) of a second; one thousandth of a femtosecond | ||
| time unit, unit of time a unit for measuring time periods | ||
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Wiktionary 
OmegaWiki DictionaryOmegaWiki Dictionary Ω
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attosecond
One billionth of one billionth of a second.
Part of speech
🔤- attosecond, noun, singular of attoseconds / attosecondes.
