单词 | silicified wood |
释义 | silicified wood [sǝ`lis·ǝ´fīd `wu̇d] GEOLOGY A material formed by the silicification of wood, generally in the form of opal or chalcedony, in such a manner as to preserve the original form and structure of the wood. Also known as agatized wood; opalized wood; petrified wood; woodstone. |
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