picosecond

[pee-kuh-sek-uh nd, pahy-]

noun

one trillionth of a second. Abbreviation: ps, psec

Nearby words

  1. picoline,
  2. picometer,
  3. picong,
  4. picornaviridae,
  5. picornavirus,
  6. picot,
  7. picot stitch,
  8. picotee,
  9. picowave,
  10. picquet

Origin of picosecond

First recorded in 1965–70; pico- + second2

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for picosecond

picosecond

noun

a million millionth of a second; 10 –12 second
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for picosecond

picosecond

n.

1966, from pico- + second (n.).

Online Etymology Dictionary, © 2010 Douglas Harper