noun

capacitor

kuh-PA-sih-tuh

noun

An electronic component that stores electrical energy, typically made from two conductive plates separated by an insulating layer.

"The circuit uses a capacitor to smooth out voltage spikes."

How to Use Capacitor

Learner’s notes

In plain EnglishAn electrical part that stores and releases electrical charge.

Easily confused with

condenser →

capacitors plural

Study it as flashcards or scroll it in Flow — saved to your collection.

Can you complete this real example?

The circuit uses a _____ to smooth out voltage spikes.

Formed from "capacity" plus "-or." It replaced the older word "condenser" in the 1920s to avoid confusion with steam condensers.

editor suitor monitor traitor visitor janitor auditor creditor solicitor inhibitor competitor inquisitor