Dictionary.com
Thesaurus.com
Showing results for zeptosecond. Search instead for zeptoseconds.

zeptosecond

American  
[zep-tuh-sek-uhnd] / ˈzɛp təˌsɛk ənd /

noun

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


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

From Washington Post • Apr. 28, 2021

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "zeptosecond" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com