lapillus
a small stony particle ejected from a volcano.
Origin of lapillus
1Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use lapillus in a sentence
These ejections were followed by dark sand, with lapilli and small fragments of scori of the same colour.
The Eruption of Vesuvius in 1872 | Luigi PalmieriWith the lapilli, and sometimes without them, the smoke carried a very minute dust or sand, which is generally called ashes.
The Eruption of Vesuvius in 1872 | Luigi PalmieriWe observed, that when lava abounded, the projection of rocks and lapilli either ceased altogether, or became of small amount.
Personal Recollections, from Early Life to Old Age, of Mary Somerville | Mary SomervilleA cubic mile of material is said to have been thrown out in the form of lapilli and dust by the successive explosions.
Wealth of the World's Waste Places and Oceania | Jewett Castello GilsonThere was no pumice shown to me, but the dust and lapilli all seemed to be composed of comminuted old rock.
Complete Story of the San Francisco Horror | Richard Linthicum
British Dictionary definitions for lapillus
/ (ləˈpɪləs) /
a small piece of lava thrown from a volcano
Origin of lapillus
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for lapillus
[ lə-pĭl′əs ]
A small fragment of lava, between 2 and 64 mm in size, blown out from a volcano.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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