Definition of anode
1 : the electrode of an electrochemical cell at which oxidation occurs: such asa : the positive terminal of an electrolytic cellb : 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
Recent Examples of anode from the Web
The Prieto battery still relies on the main concept of a battery — the negative (anode) and positive (cathode) sides of the battery swap electrons to produce energy.
Using an electroplating process, the foam is coated with the copper antimonide anode.
Sheets with the cathodes and anodes are rolled with seperaters into canisters that resemble metal hair spray bottles.
By doing so, the silicon anodes in lithium-ion batteries can continuously form new bonds and repair themselves when needed.
Electricity is generated by the exchange of ions between the cathode and anode.
Its Mentor factory will make anodes and cathodes for the electrochemical industry.
An anode rod will corrode before the steel does, and in effect serves as a sacrificial rust attractant.
To use, simply spit into the reservoir and fold it into the center of the cathode and anode.
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.
Origin and Etymology of anode
Greek anodos way up, from ana- + hodos way
First Known Use: 1834See Words from the same year
ANODE Defined for English Language Learners
Definition of anode for English Language Learners
: the part of an electrical device (such as a battery) from which electrons leave
ANODE Defined for Kids
Definition of anode for Students
1 : the positive electrode of an electrolytic cell
2 : the negative end of a battery that is delivering electric current
3 : the electron-collecting electrode of an electron tube
Medical Definition of anode
1: the electrode of an electrochemical cell at which oxidation occurs: asa: the positive terminal of an electrolytic cellb: the negative terminal of a storage battery that is delivering current
2: the electron-collecting electrode of an electron tube—compare cathode
Seen and Heard
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