nickel-cadmium battery

[nik-uh l-kad-mee-uh m]
noun
  1. a storage battery, with an alkaline electrolyte, having nickel oxide as the positive element and cadmium as the negative.
Also called nicad, NiCd battery.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018