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单词 regolith
释义

Definition of regolith in English:

regolith

noun ˈrɛɡəlɪθˈreɡəˌliTH
mass nounGeology
  • The layer of unconsolidated solid material covering the bedrock of a planet.

    〔地质〕风化层,表岩层

    Example sentencesExamples
    • Alteration of the bedrock produces a regolith, the base of which is known as the weathering front.
    • The regolith is a small-grained material resulting from multiple impacts on the moon's surface.
    • The surface of the Moon is covered by a soil layer called regolith, which has been produced by meteorite impact.
    • The Moon's crust is composed of a material known as regolith.
    • Many images show evidence of a thick loose regolith or gravel/sand/silt layer that could be collected easily by scooping or shoveling.

Origin

Late 19th century: from Greek rhēgos 'rug, blanket' + -lith.

Definition of regolith in US English:

regolith

nounˈreɡəˌliTH
Geology
  • The layer of unconsolidated rocky material covering bedrock.

    〔地质〕风化层,表岩层

    Example sentencesExamples
    • The regolith is a small-grained material resulting from multiple impacts on the moon's surface.
    • Alteration of the bedrock produces a regolith, the base of which is known as the weathering front.
    • The Moon's crust is composed of a material known as regolith.
    • Many images show evidence of a thick loose regolith or gravel/sand/silt layer that could be collected easily by scooping or shoveling.
    • The surface of the Moon is covered by a soil layer called regolith, which has been produced by meteorite impact.

Origin

Late 19th century: from Greek rhēgos ‘rug, blanket’ + -lith.

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更新时间:2025/6/18 21:00:54