1. a substance that conducts electricity when dissolved in water or melted
Usage: chemistry
2. minerals in body fluids that help regulate nerve and muscle function
Usage: biology; medicine

Examples

• Salt water is a common electrolyte used in science experiments.
• The battery contains an electrolyte solution that allows current to flow.
• Athletes need to replace electrolytes lost through sweating.
• Sodium and potassium are important electrolytes in the human body.
• Sports drinks contain electrolytes to help with hydration.
• The doctor checked her electrolyte levels after she became dehydrated.
• Pure water is not an electrolyte because it doesn’t conduct electricity well.