noun
- plural of picogram: units 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.
- The detection limit was set at 50 picograms.
- Cellular components often have masses measured in picograms.
- The instrument can detect substances at picogram levels.
- Researchers found 2.3 picograms of the hormone in the blood sample.