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

Another issue is the midstream part of the battery supply chain, consisting of the development of batteries' anode and cathode components. —Brendan Cole, MSNBC Newsweek, 30 Sep. 2025

Hydrogen splits at the anode into protons and electrons. —Tejasri Gururaj, Interesting Engineering, 25 Sep. 2025

That’s thanks to 980 QuantumScape’s QSE-5 cells, which use a lithium-metal anode and a ceramic separator in place of the 18-kWh battery pack that’s equipped with 1,152 cylindrical 21700 cells, which the stock moto usually packs. —New Atlas, 20 Sep. 2025

These batteries are still lithium-ion batteries; however, the graphite anode has been replaced with a silicon-carbon anode. —Julian Chokkattu, Wired News, 8 Sep. 2025

Word History

Etymology

Greek anodos way up, from ana- + hodos way

First Known Use

1834, in the meaning defined at sense 1

Rhymes for anode

• abode
• barcode
• bestowed
• boatload
• borrowed
• carload
• caseload
• cathode
• commode
• corrode
• crossroad
• decode

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