regolith

n. （=mantlerock）[地质]风化层, 土被

发音

US
UK /ˈɹɛɡəlɪθ/

词形变化

regoliths 复数 regoliths

释义与例句

n.
  1. 1.

    The layer of loose rock, dust, sand, and soil, resting on the bedrock, that constitutes the surface layer of most dry land on Earth, the Moon, and other large solid aggregated celestial objects. Submarine regolith also exists.

    表土

    可数 不可数 地质

词源

Irregular formation from Ancient Greek ῥῆγος (rhêgos, “rug, blanket”) + -lith (from λίθος (líthos, “stone”)).

来源：wiktionary