conglomerate
n
1 materials gathered together into a rounded mass (聚集成团的)聚合物.
2 rock made of small stones held together by cement, dried clay, etc (由小石块用水泥、 泥等粘结而成的)岩块.
3 (commerce 商) large corporation formed by merging several different firms (通过合并若干企业而组建的)大公司, 企业集团
a mining, chemical, etc conglomerate 矿业、 化工等企业集团.