最終更新日：2024/08/02
(geology) A kind of laminated shale or sandstone belonging to some of the layers of the Upper Silurian. / A tile made of stone.
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tilestone
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(geology) A kind of laminated shale or sandstone belonging to some of the layers of the Upper Silurian. / A tile made of stone.
tilestone
DiQt（ディクト）
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