sacrificial anode
noun
Chemistry. an anode that is attached to a metal object subject to electrolysis and is decomposed instead of the object.
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Origin of sacrificial anode
First recorded in 1975–80
Words nearby sacrificial anode
sacred writ, sacrifice, sacrifice fly, sacrifice paddock, sacrificial, sacrificial anode, sacrilege, sacrilegious, sacring, sacring bell, sacristan
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for sacrificial anode
sacrificial anode
noun
metallurgy an electropositive metal, such as zinc, that protects a more important electronegative part by corroding when attacked by electrolytic action
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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