What does "depolarizer" mean?

Any substance added to the electrolyte of a battery that produces hydrogen in order to combine with the liberated hydrogen and prevent the build-up of pressure.

Depolarizer

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
Any substance added to the electrolyte of a battery that produces hydrogen in order to combine with the liberated hydrogen and prevent the build-up of pressure.

Etymology

From depolarize + -er.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.