1. with two poles: having two physical poles or extremities
2. having two different ideas: having two completely different opinions, attitudes, or natures
3. geography relating to Earth's Poles: relating to, involving, or found at both the North and South Poles
4. psychiatry having manic and depressed periods: characterized by shifts between episodes of mania and depression
5. electronics using negative and positive charge carriers: describes electronic devices, especially transistors, in which both negative and positive charge carriers are utilized
