| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | cathode | chemistry | The cathode is the electrode through which current flows into an electrical device, such as a battery or an electronic circuit. | 1 |
| 2 | cathode | chemistry | In chemistry, the cathode is the electrode where reduction (gain of electrons) occurs during electrolysis or electrochemical reactions. | 1 |
| 3 | cathode | chemistry | A negatively charged electrode where reduction (gain of electrons) occurs during electrolysis or in a voltaic cell. | 1 |