One millionth of a gram. (Symbol: μg)
- The concentrations of manganese in two samples of surface soil taken from area A were 748 and 629 micrograms per gram, dry weight.
- The trouble was that a mere microgram (millionth of a gram) can kill, if lodged in the lungs.
- The rats received either 60 or 300 micrograms per kilogram of body weight.
For editors and proofreaders
Definition of microgram in:
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.