anode

noun

an·ode | \ ˈa-ˌnōd

Definition of anode

1 : the electrode of an electrochemical cell at which oxidation occurs: such as

a : the positive terminal of an electrolytic cell

b : the negative terminal of a galvanic cell

2 : the electron-collecting electrode of an electron tube broadly : the positive electrode of a diode — compare cathode

Other Words from anode Example Sentences Learn More about anode

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Other Words from anode

anodic \ a-ˈnä-dik

\ or less commonly anodal \ a-ˈnō-dᵊl

\ adjective

anodically \ a-ˈnō-di-k(ə-)lē

\ or less commonly anodally \ a-ˈnō-dᵊl-ē

\ adverb

Examples of anode in a Sentence

Recent Examples on the Web

But the robot’s speed will only improve, since Shepherd and his team can increase the surface area of the anodes and cathodes to improve power density. — Matt Simon, WIRED, "This Robot Fish Powers Itself With Fake Blood," 19 June 2019 If the anode was coated with negative charges, the scientists realized, those layers repel chloride and temper the rate of decay in the underlying metal. — David Grossman, Popular Mechanics, "Scientists Are Now Transforming Saltwater Into Hydrogen Fuel," 20 Mar. 2019 The hulking lithium-ion battery in the belly of a Tesla Model S stores electrical energy as a voltage across an anode and cathode. — Avery Thompson, Popular Mechanics, "Where Are All the Hydrogen Cars?," 10 Aug. 2018 Next year, a company called Sila Nanotechnologies is rolling out its new silicon anode batteries, which replace the graphite in today’s batteries with precisely engineered (and tiny) silicon particles. — Ezra Dyer, Popular Mechanics, "Your Gadgets' Battery Life Could Be About to Get Much Better," 19 Oct. 2018 Essentially, a violent enough jolt can break the non-conductive wall that separates a battery's anode and cathode, which causes a big, nasty short inside the system. — Eric Limer, Popular Mechanics, "This Flaming Robot Shows Just How Dangerous a Busted Battery Can Be," 7 July 2016 Typically, graphite anode materials are used in lithium ion batteries. — Lauren Goode, WIRED, "Batteries Still Suck, But Researchers Are Working on It," 22 May 2018 The battery essentially swaps out a common battery anode material, graphite, for very thin, high-energy lithium-metal foil, which can hold more ions — and, therefore, provide more energy capacity. — Eric Limer, Popular Mechanics, "Why Smartphone Batteries Might Be About to Get Way Better," 19 Aug. 2016 The anode, covered with a catalyst, splits water molecules into O2, hydrogen ions, and electrons. — Robert F. Service, Science | AAAS, "Ammonia—a renewable fuel made from sun, air, and water—could power the globe without carbon," 12 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'anode.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.