bn:00007058n
Noun Concept
Categories: Orders of magnitude (time)
EN
attosecond  1 E-16 s  1 E-17 s  1 E-18 s  1 E -16 s
EN
One quintillionth (10^-18) of a second; one thousandth of a femtosecond WordNet 3.0
English:
time
Definitions
Relations
Sources
EN
One quintillionth (10^-18) of a second; one thousandth of a femtosecond WordNet 3.0 & Open English WordNet
An attosecond is a unit of time in the International System of Units equal to 1×10−18 of a second. Wikipedia
SI unit of time Wikidata
One billionth of one billionth of a second. OmegaWiki
An SI unit of time equal to 10−18 seconds. Symbol: as. Wiktionary
PART OF
MEASURED PHYSICAL QUANTITY
WordNet 3.0 & Open English WordNet
Wikipedia
Wikidata
Wiktionary
OmegaWiki
Wikidata Alias
EN
as