Dictionary.com
definitions
  • synonyms

picogram

[pee-kuh-gram, pahy-]
See more synonyms on Thesaurus.com
noun
  1. one trillionth of a gram. Abbreviation: pg
Show More

Origin of picogram

First recorded in 1950–55; pico- + -gram2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

picogram in Medicine

picogram

(pēkə-grăm′, pī-)
n.
  1. One-trillionth (10-12) of a gram.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.