anode
Americannoun
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the electrode or terminal by which current enters an electrolytic cell, voltaic cell, battery, etc.
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the negative terminal of a voltaic cell or battery.
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the positive terminal, electrode, or element of an electron tube or electrolytic cell.
noun
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the positive electrode in an electrolytic cell
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Also called (esp US): plate. the positively charged electrode in an electronic valve
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the negative terminal of a primary cell Compare cathode
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The positive electrode in an electrolytic cell, toward which negatively charged particles are attracted. The anode has a positive charge because it is connected to the positively charged end of an external power supply.
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The positively charged element of an electrical device, such as a vacuum tube or a diode, to which electrons are attracted.
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The negative electrode of a voltaic cell, such as a battery. The anode gets its negative charge from the chemical reaction that happens inside the battery, not from an external source.
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Compare cathode
Other Word Forms
Etymology
Origin of anode
1825–35; < Greek ánodos way up, equivalent to an- an- 3 + hodós way, road
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Anode replacement may sound complicated, but it's not.
From Time Magazine Archive
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Last week a company was formed, the American Anode Inc., to exploit a new process of manufacture, which may have momentous effects on the entire industry.
From Time Magazine Archive
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He called the positive electrode the Anode, and the negative one the Cathode, but these terms, though frequently used, have not enjoyed the same currency as the others.
From Faraday as a Discoverer by Tyndall, John
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.