Bipolar may refer to:

AstronomyEdit

MathematicsEdit

  • Bipolar coordinates, a two-dimensional orthogonal coordinate system
  • Bipolar set, a derivative of a polar set
  • Bipolar theorem, a theorem in convex analysis which provides necessary and sufficient conditions for a cone to be equal to its bipolar

MedicineEdit

  • Bipolar disorder, a mental disorder that causes periods of depression and periods of elevated mood
    • Bipolar I disorder, a bipolar spectrum disorder characterized by the occurrence of at least one manic or mixed episode
    • Bipolar II disorder, a bipolar spectrum disorder characterized by at least one episode of hypomania and at least one episode of major depression
    • Bipolar disorder not otherwise specified, a diagnosis for bipolar disorder when it does not fall within the other established sub-types
  • Bipolar neuron, a type of neuron which has two extensions

MusicEdit

TechnologyEdit

TransistorsEdit

Other usesEdit