from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A sphere shaped droplet of molten lava ejected from a volcanic eruption which falls to earth while still at least partially molten, ranging in size from 2 to 6 millimeters.
from the GNU version of the Collaborative International Dictionary of English
- n.pl. Volcanic ashes, consisting of small, angular, stony fragments or particles.
Sorry, no etymologies found.