noun
- the falling of ash from a volcano or fire, or the ash that falls
Usage: often used in geological and environmental contexts
Examples
- The ashfall from the eruption covered the nearby towns in a thick gray layer.
- Residents wore masks during the ashfall to protect their lungs.
- The ashfall lasted for three days after the volcano became active.
- Scientists measured the ashfall to determine the eruption's intensity.
- Heavy ashfall forced schools to close and visibility dropped to near zero.