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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 pozzuolana
 火山灰[水泥原料]

From: Webster's Revised Unabridged Dictionary (1913)

 Poz·zu·o·la·na Poz·zo·la··na, n.  Volcanic ashes from Pozzuoli, in Italy, used in the manufacture of a kind of mortar which hardens under water.
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