Dictionary.com
definitions

picofarad

[pee-koh-far-uh d, -ad, pahy-]
noun Electricity.
  1. one trillionth of a farad. Abbreviation: pF

Origin of picofarad

First recorded in 1925–30; pico- + farad
Also called micromicrofarad.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for picofarad

picofarad

noun
  1. a million millionth of a farad; 10 –12 faradSymbol: pF
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