yoctosecond

noun

yoc·​to·​sec·​ond ˈyäk-tə-ˌse-kənd How to pronounce yoctosecond (audio)
-kənt
: one septillionth of a second

Word History

First Known Use

1996, in the meaning defined above

Time Traveler
The first known use of yoctosecond was in 1996

Dictionary Entries Near yoctosecond

yocto-

yoctosecond

yod

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Cite this Entry

“Yoctosecond.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/yoctosecond. Accessed 22 Dec. 2024.

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