noun
- plural of tephra; fragments of rock and lava ejected during volcanic eruptions
Usage: geological
Examples
- The tephras from the eruption covered the surrounding landscape.
- Scientists analyzed the tephras to determine the volcano’s history.
- Different layers of tephras indicate multiple volcanic events.
- The tephras were carried by wind for hundreds of miles.
- Researchers collected tephras samples from various depths.
- The composition of tephras varies depending on the type of eruption.