- a small stony particle ejected from a volcano.
Origin of lapillus
1740–50; < Latin: little stone, pebble, diminutive of lapis stone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for lapillus
Has Ottaiano then been destroyed only by the fall of lapillus and stones?
The Purpura lapillus and Littorina litorea and rudis (periwinkles), so plentiful on this coast, are present.The Sea-beach at Ebb-tide
Augusta Foote Arnold
Our automobile is now going slower, it cracks between two deep sinks of ashes and lapillus.
They have defied and conquered the lava, and lapillus, going always ahead there where duty called them.
It is thought that the last species is recognized in the Purpura lapillus (Fig. 277), which abounds in the Channel.The Ocean World:
- a small piece of lava thrown from a volcano
C18: Latin: little stone
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- 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.