zeptosecond

See also: zepto-second

English

Etymology

From zepto- +‎ second.

Noun

zeptosecond (plural zeptoseconds)

1. (metrology) An SI unit of time equal to 10⁻²¹ seconds. Symbol: zs

Coordinate terms

units of timeedit

• millennium
• century
• decade
• year
• month
• week
• day
• hour
• minute
• moment
• second
• millisecond
• microsecond
• nanosecond
• picosecond
• femtosecond
• attosecond
• zeptosecond
• yoctosecond

Translations

10⁻²¹ second

• Finnish: zeptosekunti