Attosecond
nounverified·updated May 18, 2026
one quintillionth of a second, which can be written as 10^-18
Classifications
Entity Type
Unknown—glossary_import_default_pending_classifier
?unassignedlast reviewed —
Sensitivity
unclassified
Information Class
unclassified
Variants
- plural
- Attoseconds
- possessive
- Attosecond's
- pluralpossessive
- Attoseconds'