noun
- a unit of mass equal to one millionth of a gram
Usage: scientific; medical
Examples
- The vitamin supplement contains 25 micrograms of vitamin B12.
- Scientists measured the sample in micrograms due to its tiny mass.
- The medication dosage is prescribed in micrograms for precision.
- A microgram is abbreviated as μg in scientific notation.
- The lab detected traces of the substance at the microgram level.
- One microgram equals 0.000001 grams.