1 more powerful, important or noticeable than others 最强的；最重要的: His mother was the dominant influence in his life. 他母亲对他的一生最有影响。

2 (technical术语) a dominant physical characteristic, for example brown eyes, appears in a child even if it has only one GENE(= the unit inside the cells that control the characteristics that will be passed on from parents) for this characteristic （生理特征）显性的（源于细胞内显示遗传性状的单位） ☞Compare recessive. 与recessive比较。