A female given name. / A surname.

(US) Initialism of Foreign Agents Registration Act.

(physics) An interaction between a polarized electromagnetic pulse, such as a beam of light, and a magnetic field, in which the plane of polarization is rotated in proportion to the intensity of the component of the magnetic field in the direction of travel of the pulse.

In the International System of Units, the derived unit of electrical capacitance; the capacitance of a capacitor in which one coulomb of charge causes a potential difference of one volt across the capacitor. Symbol: F

Alternative form of microfarad

(rare) One thousandth ( 10⁻³ ) of a farad. Symbol: mF.

(metrology) An SI unit of electrical capacitance equal to 10⁻⁹ farads. Symbol: nF

One million millionth (10⁻¹²) of a farad. Symbol: pF.

(countable) A surname from Irish. / Michael Faraday, English chemist and physicist.

(chemistry, physics) The quantity of electricity required to deposit or liberate 1 gram equivalent weight of a substance during electrolysis; approximately −96,487 coulombs.