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picogram

[pee-kuh-gram, pahy-]
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noun
  1. one trillionth of a gram. Abbreviation: pg

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

([object Object])
n.
  1. One-trillionth (10-12) of a gram.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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