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 entire focus of the company was to select the right material set to enable a lithium metal anode. —Georgina Jedikovska, Interesting Engineering, 20 Jan. 2026

On a recent afternoon, students in white coats and blue jackets buzzed around the different rooms of the facility, taking notes, weighing out samples of anode material and monitoring the battery-making machines. —Lana Ferguson, Dallas Morning News, 16 Jan. 2026

That could include heat-resistant coatings in factories, anodes in large lithium-ion batteries connected to electrical grids and lubricants for military vehicles, according to the company. —Michael Hill, Fortune, 27 Dec. 2025

In cold charging conditions, the ions flow less efficiently through the anode and the battery's capacity diminishes. —Elizabeth Weise, USA Today, 11 Dec. 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