- a unit of capacitance, equal to one millionth of a farad. Abbreviation: mf., mfd. Symbol: μF, μf
- one millionth of a farad; 10 –6 faradSymbol: μ F
- A unit of capacitance equal to one millionth (10-6) of a farad. The microfarad is used for most electronic applications. Its symbol is μF.