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Meaning of half-cell

half-cell

Pronunciation: (haf'sel", häf'-), [key]
— n. Elect.
  1. a single electrode, generally a metal, immersed in a container filled with an electrolyte, and having a specific electrical potential for a given combination of electrode and electrolyte.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.