capacitor
noun
ca·pac·i·tor
| \ kə-ˈpa-sə-tər
\
\
Definition of capacitor
: a device that is used to store electrical energy
Examples of capacitor in a Sentence
Recent Examples on the Web
These include integrated circuits, capacitors, computers, robots and telecoms transmission equipment, all important for its neighbor’s high-tech economy. — Jane Li, Quartz, "A deepening trade quarrel between Japan and South Korea is rattling smartphone makers," 26 Aug. 2019 Who tightened the bolts on Dr. Emmett Brown’s flux capacitor? — San Diego Union-Tribune, "Column: XFL, Browns, Nebraska football signal everything old is new again in 2019," 23 Aug. 2019 This charge separation will, in turn, induce a charge on the surface of the cylinder, and thus a potential difference in the capacitor. — The Economist, "How to wring power from the night air," 1 Aug. 2019 The outer cylinder is earthed while the inner one is not, creating a capacitor. — The Economist, "How to wring power from the night air," 1 Aug. 2019 The outer cylinder is earthed while the inner one is not, creating a capacitor. — The Economist, "How to wring power from the night air," 3 Aug. 2019 The 90-tesla magnet at LNCMI in Toulouse works by charging a bank of 600 capacitors, then discharging them all at once into a coil the size of a trash can. — Quanta Magazine, "The Quantum Secret to Superconductivity," 22 Feb. 2016 Unless, of course, your car is equipped with a flux capacitor and plutonium is plentiful. — Rosy Cordero, EW.com, "Listen to the first original song from the Back to the Future musical," 10 June 2019 The destroyers need a capacitor system to store and then quickly surge power to a laser. — Kyle Mizokami, Popular Mechanics, "After Only 3 Years in Service, the USS Zumwalt’s Mission Is Changing," 17 May 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'capacitor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for capacitor
capacitor
noun
English Language Learners Definition of capacitor
technical
: a device that is used to store electrical energy
See the full definition for capacitor in the English Language Learners Dictionary
capacitor
noun
ca·pac·i·tor
| \ kə-ˈpas-ət-ər
\
\
Medical Definition of capacitor
: a device giving capacitance and usually consisting of conducting plates or foils separated by thin layers of dielectric (as air or mica) with the plates on opposite sides of the dielectric layers oppositely charged by a source of voltage and the electrical energy of the charged system stored in the polarized dielectric