lapillus
noun
la·pil·lus
lə-ˈpi-ləs 
plural lapilli
lə-ˈpi-ˌlī
-(ˌ)lē
: a small stony or glassy fragment of lava ejected in a volcanic eruption
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This eruption would technically be a vulcanian eruption according to MVO and prevailing winds prevented ash or lapilli from falling on the eastern half of Montserrat.
—
Erik Klemetti, WIRED, 8 Feb. 2010
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Erik Klemetti, WIRED, 8 Feb. 2010
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“Lapillus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lapillus. Accessed 29 Nov. 2024.
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