zeptosecond

[ zep-tuh-sek-uhnd ]

noun

1. one sextillionth (10 -21 ) of a second. : zsec, zs

Example Sentences

They have been measured to the millimeter, timed to the zeptosecond and asked what kind of forest animal they would be.

From Washington Post

“Scientists have measured the shortest unit of time ever: the time it takes a light particle to cross a hydrogen molecule. That time, for the record, is 247 zeptoseconds. A zeptosecond is a trillionth of a billionth of a second, or a decimal point followed by 20 zeroes and a 1,” the news organization explained.

From Washington Times

Please consider the newly discovered “zeptosecond,” the shortest unit of time ever measured.

From Washington Times