Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun One trillionth (10−12) of a gram.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A unit of
mass equal to 0.000 000 000 001grams . Symbol:pg
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Remember that Contador tested positive for 50 picograms (a picogram is a trillionth of a gram) of clenbuterol per milliliter of urine.
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Remember that Contador tested positive for 50 picograms a picogram is a trillionth of a gram of clenbuterol per milliliter of urine.
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Thundat and his colleagues demonstrate that they could detect very small amounts of adsorbed explosives -- with a limit of 600 picograms (a picogram is a trillionth of a gram).
unknown title 2009
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Thundat and his colleagues demonstrate that they could detect very small amounts of adsorbed explosives -- with a limit of 600 picograms (a picogram is a trillionth of a gram).
unknown title 2009
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Thundat and his colleagues demonstrate that they could detect very small amounts of adsorbed explosives -- with a limit of 600 picograms (a picogram is a trillionth of a gram).
unknown title 2009
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Thundat and his colleagues demonstrate that they could detect very small amounts of adsorbed explosives -- with a limit of 600 picograms (a picogram is a trillionth of a gram).
innovations-report 2009
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EPA scientists already concluded in a preliminary report that people shouldn't consume more than 0.7 picogram of dioxin per kilogram of body weight a day.
EPA Misses Deadline on Dioxin Guidelines Bill Tomson 2012
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I consider it no small irony that the first syllable of the word dioxins sounds like die: So potent is this group of more than 100 cancer-causing industrial chemicals that the Environmental Protection Agency is currently considering setting the "safe" daily level for human exposure at seven-tenths of a picogram per kilogram of body weight.
Jennifer Grayson: Eco Etiquette: Help! Am I Doomed By Dioxins? 2010
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I consider it no small irony that the first syllable of the word dioxins sounds like die: So potent is this group of more than 100 cancer-causing industrial chemicals that the Environmental Protection Agency is currently considering setting the "safe" daily level for human exposure at seven-tenths of a picogram per kilogram of body weight.
Jennifer Grayson: Eco Etiquette: Help! Am I Doomed By Dioxins? 2010
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Asked what a picogram was, Shiya Ribowsky said, “Think of it like this: if the universe is so large as to be beyond imagining, then the picogram might be smaller than we can conceive of.”
The Lampshade Mark Jacobson 2010
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