资料来源 : pyDict

安山石

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Andesite \An"des*ite\, n. (Min.)
   An eruptive rock allied to trachyte, consisting essentially
   of a triclinic feldspar, with pyroxene, hornblende, or
   hypersthene.

资料来源 : WordNet®

andesite
     n : a dark gray volcanic rock