galvanic anode (English, noun)
expansion: galvanic anode (plural galvanic anodes)
Senses:
glosses: An anode used to protect buried or submerged metal structures from corrosion, made from a metal alloy with a more "active" voltage (more negative electrochemical potential) than the metal of the protected structure, so that the anode material corrodes and is consumed in preference to the structure.
Forms:
form: galvanic anodes
tags: plural