Capacitor definition

kə-păsĭ-tər
Frequency:
An electric circuit element used to store charge temporarily, consisting in general of two metallic plates separated and insulated from each other by a dielectric.
noun
14
2
The definition of a capacitor is a device to store an electronic charge for a short period of time that consists of two metallic plates separated by a dielectric.

An example of a capacitor is what helps keep the electronic system in a car running smoothly.

noun
4
0
An electrical device consisting of two conducting plates separated by an electrical insulator (the dielectric ), designed to hold an electric charge. Charge builds up when a voltage is applied across the plates, creating an electric field between them. Current can flow through a capacitor only as the voltage across it is changing, not when it is constant. Capacitors are used in power supplies, amplifiers, signal processors, oscillators, and logic gates.
4
1
(elec.) A device consisting of two or more conducting plates separated from one another by a dielectric nonconductor, as glass, mica, plastic, or dry air, used for storing an electric charge; condenser.
noun
6
4
(electronics) An electronic component capable of storing an electric charge; especially one consisting of two conductors separated by a dielectric.
noun
1
0
Advertisement
An electrical device specifically designed to store an electrostatic charge, a capacitor is a system of conductors and dielectrics.A capacitor opposes changes in voltage, whereas an inductor opposes changes in current. See also capacitive reactance, conductor, current, dielectric, inductor, and voltage.
0
1

Other Word Forms

Noun

Singular:
capacitor
Plural:
capacitors