Meaning of nickel-cadmium battery

nick'el-cad'mi•um bat"tery

Pronunciation: (nik'ul-kad'mē-um), [key]
  1. a storage battery, with an alkaline electrolyte, having nickel oxide as the positive element and cadmium as the negative. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.