anode

noun

an·​ode ˈa-ˌnōd 

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

anodic

a-ˈnä-dik 

adjective

or less commonly anodal

a-ˈnō-dᵊl 

anodically

a-ˈnō-di-k(ə-)lē 

adverb

or less commonly anodally

a-ˈnō-dᵊl-ē 

Examples of anode in a Sentence

Recent Examples on the Web

The facility will make batteries, cathodes, and anodes. —Joseph Epstein, Newsweek, 11 Dec. 2024

The two companies say silicon anodes can boost energy density by up to 50 percent versus today’s best nickel-rich batteries, and reduce EV charging times to 10 minutes or less. —IEEE Spectrum, 10 Dec. 2024

One key to that mass target is a roughly 80-kWh, pouch-format battery with a high-silicon anode to boost gravimetric and volumetric energy density. —IEEE Spectrum, 24 Nov. 2024

To get the full $7,500 credit, the autos must contain batteries with components (cathodes, anodes, electrolytes) manufactured and assembled in the US, and critical minerals (lithium, graphite, and cobalt) mined and processed by the US or close trading allies. —Aarian Marshall, WIRED, 22 Nov. 2024

Word History

Etymology

Greek anodos way up, from ana- + hodos way

First Known Use

1834, in the meaning defined at sense 1

Kids Definition

anode

noun

an·​ode ˈan-ˌōd 

1

: the positive electrode of an electrolytic cell to which the negative ions are attracted compare cathode

2

: the negative terminal of a battery that is delivering electric current

3

: the electron-collecting electrode of an electron tube

anodic

a-ˈnäd-ik 

adjective

Medical Definition

anode

noun

an·​ode ˈan-ˌōd 

1

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

a

: the positive terminal of an electrolytic cell

b

: the negative terminal of a storage battery that is delivering current

2

: the electron-collecting electrode of an electron tube compare cathode