Last Updated
：2025/11/25
groundmass
Noun
Japanese Meaning
大きな結晶を囲む細粒な結晶物質、すなわち、岩石の基質部分（地母質） / 岩石中において、大きな結晶が埋め込まれている微細な結晶マトリックス
（ plural ）
Quizzes for review
(geology) The matrix of fine-grained crystalline material in which larger crystals are embedded.
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groundmass
The geologist examined the igneous rock under a microscope and noted that its groundmass contained tiny, interlocking crystals.
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The geologist examined the igneous rock under a microscope and noted that its groundmass contained tiny, interlocking crystals.
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