phenocryst

n. [地]斑晶, 显斑晶

词形变化

phenocrysts 复数 phenocrysts

释义与例句

n.
  1. 1.

    Any relatively large crystal embedded in a more fine-grained or glassy igneous rock

    化学 地质

    Some of the feldspar phenocrysts are more than 1 cm long, but most are less than 5 mm.

词源

pheno- + -cryst

来源：wiktionary