Dictionary Thesaurus Word Dynamo Quotes Reference Translator Spanish

Related Searches

Smallest measurable ...

Nearby Words

yodeling in a c...

yoctosecond

[yok-tuh-sek-uhnd]

noun

one septillionth (10^-24) of a second. Abbreviation: ysec, ys

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source

|

Link To yoctosecond

Dictionary.com's 21st Century Lexicon

Main Entry:	yoctosecond
Part of Speech:	n
Definition:	one septillionth (10^-²⁴) of a second; abbr. ys, yser
Etymology:	1996-2001

Dictionary.com's 21st Century Lexicon
Copyright © 2003-2012 Dictionary.com, LLC
Cite This Source

Word Dynamo Rating For Yoctosecond

People who can define Yoctosecond may know 45,520 words, as many as a 12th grader.

How many words do you know?

Enjoy Dictionary.com ad-free! Learn more

Related Words

Quote Of The Day

"Opinions are not to be learned by rote, like the letters of an alphabet, or the words of a dictionary. They are conclusions to be formed, and formed by each individual in the sacred and free citadel of the mind, and there enshrined beyond the arm of law to reach, or force to shake; ay! and beyond the right of impertinent curiosity to violate, or presumptuous arrogance to threaten."

-Frances Wright

Partners:Word Bloglines Citysearch The Daily Beast Ask Answers Ask Kids Life123 Sendori Thesaurus

Dictionary.com, LLC. Copyright © 2012. All rights reserved.

About Privacy Policy Terms of Use API Careers Advertise with Us Contact Us Help

Please Login or Sign Up to use the Favorites feature

Please Login or Sign Up to use the Recent Searches feature