siltstone

n. [地]粉砂岩

词形变化

siltstones 复数 siltstones

释义与例句

n.
  1. 1.

    A sedimentary rock whose composition is intermediate in grain size between the coarser sandstone and the finer mudstone.

    可数 不可数

词汇关系

名词

上位词 1

sandstone

词源

From silt + stone.

来源：wiktionary