Try Our Apps


The Best Internet Slang


[luh-pil-uh s] /ləˈpɪl əs/
noun, plural lapilli
[luh-pil-ahy] /ləˈpɪl aɪ/ (Show IPA)
a small stony particle ejected from a volcano.
Origin of lapillus
1740-50; < Latin: little stone, pebble, diminutive of lapis stone Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for lapilli
Historical Examples
British Dictionary definitions for lapilli


noun (pl) -li (-laɪ)
a small piece of lava thrown from a volcano
Word Origin
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
Cite This Source
lapilli in Science
Plural lapilli (lə-pĭl'ī')
A small fragment of lava, between 2 and 64 mm in size, blown out from a volcano.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for lapillus

Few English speakers likely know this word

Word Value for lapilli

Scrabble Words With Friends

Nearby words for lapilli