lapilli

Variant of lapillus

lapillus definition

la·pil·lus (lə pil′əs)

noun pl. lapilli -·pil′li′ (-ī′)

a small fragment of igneous rock, up to the size of a walnut, ejected from a volcano

Etymology: L, dim. of lapis, stone

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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