English dictionary
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English noun: attosecond | |||
| 1. | attosecond (time) one quintillionth (10^-18) of a second; one thousandth of a femtosecond | ||
| Broader (hypernym) | time unit, unit of time | ||
| Part meronym | femtosecond | ||
Based on WordNet 3.0 copyright © Princeton University.
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Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk