Definition of nanogram
: one billionth of a gram
Recent Examples of nanogram from the Web
In accordance with the current CBA, NFL players are tested in the offseason and face disciplinary action for a positive test of more than 35 nanograms of tetrahydrocannabinol (THC) per milliliter of urine.
The Oklahoma Medical Examiner's Office said that Crutcher had 96 nanograms per milliliter of PCP in his bloodstream at the time of his death.
NFL players are tested in the offseason and face disciplinary action for a positive test of more than 35 nanograms per milliliter of urine of tetrahydrocannabinol (THC), the psychoactive component of marijuana.
The toxicology report shows Garcia had 15 nanograms per milliliter of methadone in his system, Clark said.
The National Institutes of Health says that about 20 nanograms per milliliter of vitamin D is sufficient for healthy humans.
A level of 15 nanograms of THC (tetrahydrocannabinol) per milliliter of urine or blood was counted as a positive, the most stringent standard in professional sports, prior to 2014.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nanogram.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of nanogram
International Scientific Vocabulary
First Known Use: 1951See Words from the same year
Medical Definition of nanogram
: one billionth of a gram—abbreviation ng
Seen and Heard
What made you want to look up nanogram? Please tell us where you read or heard it (including the quote, if possible).