py·ro·clas·tic 
(pī′rō-klăstĭk)
(pī′rō-klăstĭk)adj.
Composed chiefly of rock fragments or particles of volcanic origin, such as pumice, obsidian, or volcanic ash.
| 单词 | pyroclastic |
| 释义 | py·ro·clas·tic (pī′rō-klăstĭk)adj. Composed chiefly of rock fragments or particles of volcanic origin, such as pumice, obsidian, or volcanic ash. |
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