| 单词 |
femtosecond |
| 释义 |
femtosecondenUK
fem·to·sec·ond F5077350 (fĕm′tə-sĕk′ənd)n. One quadrillionth (10-15) of a second.femtosecond (ˈfɛmtəʊˌsɛkənd) n (Units) one thousandth of a nanosecondThesaurus| Noun | 1. | femtosecond - one quadrillionth (10^-15) of a second; one thousandth of a picosecondtime unit, unit of time - a unit for measuring time periodsattosecond - one quintillionth (10^-18) of a second; one thousandth of a femtosecondpicosecond - one trillionth (10^-12) of a second; one thousandth of a nanosecond |
femtosecondenUK
femtosecondOne quadrillionth of a second. Lasers have reached speeds that are measured in femtoseconds. A femtosecond laser emits a pulse with a duration that is less than one picosecond. See space/time and ohnosecond.femtosecondenUK
Words related to femtosecondnoun one quadrillionth (10^-15) of a secondRelated Words- time unit
- unit of time
- attosecond
- picosecond
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