bn:00034043n
Noun Concept
Categories: Orders of magnitude (time)
EN
femtosecond  1 E-14 s  1 E-13 s  1 E-15 s  1e-13 s
EN
One quadrillionth (10^-15) of a second; one thousandth of a picosecond WordNet 3.0
English:
time
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EN
One quadrillionth (10^-15) of a second; one thousandth of a picosecond WordNet 3.0 & Open English WordNet
A femtosecond is a unit of time in the International System of Units equal to 10-15 or 1⁄1 000 000 000 000 000 of a second; that is, one quadrillionth, or one millionth of one billionth, of a second. Wikipedia
An SI unit of time Wikipedia Disambiguation
SI unit of time Wikidata
One billionth of one millionth of a second. OmegaWiki
A unit of time equal to 0.000 000 000 000 001 seconds (i.e. 1x10-15 seconds) and with symbol fs. Wiktionary
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