Capacitor

/kəˈpæs.ɪ.tər/

Meaning & Definition

noun
An electronic component that stores and releases electrical energy, commonly used in circuits to smooth out voltage fluctuations.
The engineer replaced the faulty capacitor to restore proper function to the circuit.
A passive electronic device that has the ability to hold an electric charge.
In the power supply unit, a large capacitor is used to filter out noise and stabilize the output.
A component that can affect the timing characteristics in oscillators and tuning circuits.
The sound quality of the speaker was enhanced after replacing the electrolytic capacitor with a higher-quality film capacitor.

Etymology

From the Latin 'capacitas', meaning 'capacity'.

Common Phrases and Expressions

capacitor bank
A group of capacitors connected together to store large amounts of energy.
tantalum capacitor
A type of electrolytic capacitor made from tantalum, known for its stability and reliability.
ceramic capacitor
A capacitor that uses ceramic materials as the dielectric.

Related Words

condenser
A device typically used in refrigeration or air conditioning that condenses vapor into liquid.
dielectric
An insulating material that can be polarized by an electric field.
electronic component
A basic building block of electronic circuits.

Slang Meanings

Cap
It's got a cap for filtering, dude.
Capper
This circuit is a real capper, saves all the energy!