dry cell: a small Leclanche cell containing no free liquid; the electrolyte is a paste and the negative zinc pole forms the container of the cell; used in flashlights, portable radios, etc.
voltaic cell: an electric cell that generates an electromotive force by an irreversible conversion of chemical to electrical energy; cannot be recharged
tabes dorsalis: syphilis of the spinal cord characterized by degeneration of sensory neurons and stabbing pains in the trunk and legs and unsteady gait and incontinence and impotence