English dictionary
Info: This web site is based on WordNet 3.0 from Princeton University.
English noun: femtosecond | |||
| 1. | femtosecond (time) one quadrillionth (10^-15) of a second; one thousandth of a picosecond | ||
| Broader (hypernym) | time unit, unit of time | ||
| Part holonym | attosecond | ||
| Part meronym | picosecond | ||
Based on WordNet 3.0 copyright © Princeton University.
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Web design: Orcapia v/Per Bang. English edition: .
2026 onlineordbog.dk