noun
- instruments used to detect the presence of electric charge or ionizing radiation
Usage: scientific; plural of electroscope
Examples
- The physics students used electroscopes to demonstrate static electricity.
- Gold-leaf electroscopes are sensitive instruments for detecting electrical charges.
- The laboratory had several electroscopes for different experiments.
- Electroscopes can show whether an object is positively or negatively charged.
- Early electroscopes helped scientists understand the nature of electricity.
- The teacher demonstrated how electroscopes respond to charged objects.