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

  • Volcanic ashes, consisting of small, angular, stony fragments or particles.


Sorry, no etymologies found.



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  • "'I heard a great deal about scoriae, ashes, incandescent dust, the various forms of lava, lapilli and vitreous pumice.'"

    --Patrick O'Brian, The Truelove, 178

    March 11, 2008