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Attosecond
Meaning
Noun
●
In Metrology, SI units & Time:
An SI
unit
of time
equal
to 10⁻¹⁸
seconds
. Symbol: as
Sourced from
Wiktionary
Origin
attosecond
English
atto-
English
atten
Danish
átján
Old Norse
second
English
seconde
Old French (842-ca. 1400)
secunda
Latin
seconder
Middle French (ca. 1400-1600)
secundo
Latin
secont
Old French (842-ca. 1400)
secundus
Latin
Sourced from
Etym
Synonyms
As
Related
Picosecond
Microsecond
Femtosecond
Planck Time
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