loess
/ˈləʊɪs/noun
mass noun
- Geology a loosely compacted yellowish-grey deposit of wind-blown sediment of which extensive deposits occur e.g. in eastern China and the American Midwest【地质】（中国东部和美国中西部等地的沉积）黄土。
派生词
loessial
adjectiveloessic
adjective词源
mid 19th cent.: from German Löss, from Swiss German lösch 'loose'.