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gravity cell

noun Electricity.
  1. a cell containing two electrolytes that have different specific gravities.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for gravity cell

gravity cell

noun
  1. an electrolytic cell in which the electrodes lie in two different electrolytes, which are separated into two layers by the difference in their relative densities
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012