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Attosecond

nounverified·updated May 18, 2026

one quintillionth of a second, which can be written as 10^-18

Classifications

Entity Type

Unknownauthoritativeglossary_import_default_pending_classifier
?unassignedlast reviewed

Sensitivity

unclassified

Information Class

unclassified

Variants

plural
Attoseconds
possessive
Attosecond's
pluralpossessive
Attoseconds'