Definitions

1. noun

the positively charged electrode of an electrochemical cell or other apparatus, typically the source of electrons that flow through a circuit

“The anode in the battery was corroded, reducing its lifespan.”

2. noun

a positively charged electrode in a vacuum tube, such as a cathode ray tube, where electrons are emitted

“The anode in the CRT was damaged, causing a distorted image.”

3. noun

a positively charged electrode in a gas discharge lamp, such as a fluorescent lamp, where electricity is conducted

“The anode in the fluorescent lamp was worn out, reducing its efficiency.”