electronic surveillance
- n surveillance by electronic means (e.g. television)
electrolyte
- n a solution that conducts electricity
the proper amount and distribution of electrolytes in the body is essential for health
electrolyte balance
- n an equilibrium between the amounts of electrolytes (as calcium and sodium and potassium) that is essential for normal health and functioning
electrolytic capacitor
- n a fixed capacitor consisting of two electrodes separated by an electrolyte