loam

中文： 壤土、沃土、亚砂土、垆坶

1. A type of soil; an earthy mixture of sand, silt and clay, with organic matter to which its fertility is chiefly due. (countable, uncountable)
2. A mixture of sand, clay, and other materials, used in making moulds for large castings, often without a pattern. (countable, uncountable)

复数 loams