[ haf-sel, hahf- ]
/ ˈhæfˌsɛl, ˈhɑf- /

noun Electricity.

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.

Origin of half-cell

First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019