noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 1
   The difference between the electric potential of an electrode or cell under the passage of a current and the thermodynamic value of the electrode or cell potential in the absence of electrolysis. countable, uncountable
2. 2
   The hazardous condition that occurs when the voltage in a circuit is raised above that for which it was designed. countable, uncountable

Verb

1. 1
   To raise the voltage of a circuit beyond that for which it was designed.

Synonyms

All synonyms

overpotential

Etymology

From over- + voltage.

Related phrases

electric potential

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