noun
- a unit of mass equal to one trillionth of a gram
Usage: scientific; metric system
Examples
- The DNA sample weighed only a few picograms.
- Scientists measured the protein concentration in picograms per milliliter.
- A single cell contains approximately 6 picograms of DNA.
- The instrument can detect substances at the picogram level.
- Researchers found 50 picograms of the hormone in the blood sample.
- The virus particle has a mass of about 10 picograms.