Try Our Apps
Dictionary.com

follow Dictionary.com

Words You've Been Using Wrong

zeptosecond

[zep-tuh-sek-uh nd] /ˈzɛp təˌsɛk ənd/
noun
1.
one sextillionth (10 -21) of a second.
Abbreviation: zsec, zs.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source

Word of the Day

Nearby words for zeptosecond

Word Value for zeptosecond

0
0
Scrabble Words With Friends