<p><strong>Noun</strong></p><ul><li>a conducting medium in which the flow of current is accompanied by the movement of matter in the form of ions</li><li>any substance that dissociates into ions when dissolved in a suitable medium or melted and thus forms a conductor of electricity</li><li>any of certain inorganic compounds, mainly sodium, potassium, magnesium, calcium, chloride, and bicarbonate, that dissociate in biological fluids into ions capable of conducting electrical currents and constituting a major force in controlling fluid balance within the body</li></ul>