sacrificial anode
noun
Chemistry. an anode that is attached to a metal object subject to electrolysis and is decomposed instead of the object.
Origin of sacrificial anode
1First recorded in 1975–80
Words Nearby sacrificial anode
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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