Definition
ions
noun
- atoms or molecules that have gained or lost electrons and thus carry an electric charge
Usage: chemistry; physics
Examples
- Sodium ions have a positive charge because they lost an electron.
- The solution conducts electricity due to the presence of ions.
- Chloride ions are negatively charged.
- Salt water contains many dissolved ions.
- The battery works by moving ions between electrodes.
- Calcium ions play important roles in muscle contraction.