noun
- A small stone or pebble, especially one ejected from a volcano during an eruption.
Usage: geology; often used in plural form 'lapilli'
Examples
- Volcanic lapilli covered the ground near the crater.
- The eruption scattered lapilli across the surrounding landscape.
- Geologists collected samples of lapilli to study the volcano's composition.
- Lapilli deposits help scientists understand the intensity of past eruptions.