1 [I,T] (formal 正式) to separate or make people separate into two groups with completely opposite opinions （使）分成意见绝然相反的两派: Public opinion has polarized on this issue. 在这个问题上公众舆论南辕北辙。

2 [T] (technical术语) to make waves of light, etc VIBRATE (= move up and down with very small continuous movements) in a single direction 使（光波）偏振

3 (technical术语) to make sth have two poles(3) with opposite qualities 使两极化: to polarize a magnet 使磁铁极化 ➔polarization(also -isation) /ˌpəʊləraɪˈzeɪʃn ||; ˌpoləraɪˈzeʃən/ noun [U]