groundmass

n. [地]基质(一种连续分布的细粒物质,其中镶嵌着沉积物或沉积岩的大颗粒)

词形变化

groundmasses 复数 groundmasses

释义与例句

n.
  1. 1.

    The matrix of fine-grained crystalline material in which larger crystals are embedded.

    地质

词汇关系

名词

上位词 1

igneous rock

整体词 1

porphyry

词源

From ground + mass.

来源：wiktionary