lapillus

American  

[luh-pil-uhs] / ləˈpɪl əs /

noun

plural

lapilli

1. a small stony particle ejected from a volcano.

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lapillus British  

/ ləˈpɪləs /

noun

1. a small piece of lava thrown from a volcano

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lapillus Scientific  

/ lə-pĭl′əs /

plural

lapilli

1. A small fragment of lava, between 2 and 64 mm in size, blown out from a volcano.

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Etymology

Origin of lapillus

1740–50; < Latin: little stone, pebble, diminutive of lapis stone

Example Sentences

“The entire territory of Pedara and all the streets are covered in volcanic ashes and lapillus,” or volcanic stones, he said.

From Seattle Times

VI, are taken from Koren and Danielssen’s90 memoir on the development of Purpura lapillus.

From Project Gutenberg

The Whelk, Buccinum undatum, is also very numerous, and forms the staple of a considerable industry at Sheringham; the lesser, or Dog-Whelk, Nassa reticulata, as well as Purpura lapillus and several sorts of Trochus, are commonly met with.

From Project Gutenberg

The chief interest of this paper is due to the fact that it is the first record of the occurrence of vast quantities of the shells of Purpura lapillus, all of which were broken in such a manner that the animal could easily be extracted.

From Project Gutenberg

South of the Bill, or southern point of Portland, is a remarkable shoal in the channel at the depth of seven fathoms, called "the Shambles," consisting entirely of rolled and broken shells of Purpura lapillus, Mytilus edulis, and other species now living.

From Project Gutenberg