overpotential
Word Rarity
Very rare
Frequency: Zipf frequency 1.29 in modern English
18
Scrabble Score
13
Letters
4
Syllables
10
Unique Chars
Meaning
noun
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.
Example Sentences
- "One of the factors that limits their development and use is that known anode and cathode electrocatalysts produce useful current densities only at high overpotentials."
Etymology
Etymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Germanic *uber Old English ofer- Middle English over- English over- Proto-Indo-European *pótis Proto-Italic *potis Proto-Indo-European *-éh₁ti Proto-Indo-European *-yeti Proto-Indo-European *-éh₁yeti Proto-Italic *-ējō Proto-Indo-European *-éh₁tiinflu. Proto-Italic *-ēō Proto-Italic *potēō Proto-Italic *potēnts Latin potēns Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -ius Latin -ia Latin potentia Proto-Indo-European *h₂el- Proto-Indo-European *-is Proto-Indo-European *h₂élisder.? Proto-Italic *-ālis Latin -ālis Late Latin potentialisder. English potential English overpotential From over- + potential.