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单词 lapilli
释义

lapilli

/ləˈpɪlʌɪ /
plural noun Geology
Rock fragments ejected from a volcano.Some matrix ash samples were also analysed to ensure that the complete geochemical range could be assessed, and where lapilli were not available....
  • We infer that the framework through which transport took place consists of lapilli lodged within elutriation networks similar to those observed in the field (vertical ‘pipes’ having elongated sheet-like forms in three dimensions).
  • We thought they might be lapilli - little volcanic hailstones that form when you have an eruption of volcanic ash and it coagulates and falls out.

Origin

Mid 18th century (in the general sense 'stones, pebbles'): via Italian from Latin, plural of lapillus, diminutive of lapis 'stone'.

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更新时间:2024/11/12 8:31:35