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yoctosecond

American  
[yok-tuh-sek-uhnd] / ˈyɒk təˌsɛk ənd /

noun

  1. one septillionth (10-24 ) of a second. ysec, ys

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.

It was so impossibly long ago, and yet a mere yoctosecond in the slippery fabric of American time.

From Los Angeles Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.