a combining form meaning “one trillionth” (10−12): picogram.
Origin of pico-
< Spanish pico peak, beak, bit. See pic2
Words nearby pico-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for pico-
denoting 10 –12picofarad Symbol: p
Word Origin for pico-
from Spanish pico small quantity, odd number, peak
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
Medical definitions for pico-
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.