Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun One trillionth (10−12) of a second.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun metrology An SI unit of time equal to 10−12 seconds.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun one trillionth (10^-12) of a second; one thousandth of a nanosecond

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From the metric prefix pico- and the word second

Support

Help support Wordnik (and make this page ad-free) by adopting the word picosecond.

Examples

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.

  • 0,000 000 000 001 trillionth of a second ("ps"). Also known as a pikosecond.

    May 17, 2008