Pronunciation: (pō'lu-rīz"), [key]
—v., -ized, -iz•ing.
1. to cause polarization in.
2. to divide into sharply opposing factions, political groups, etc.: The controversy has polarized voters into proabortion and antiabortion groups.
3. to give polarity to.
to become polarized. Also, esp. Brit.,po'lar•ise".
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.