Bipolar

Bipolar may refer to:

Medicine

• Bipolar cell
• Bipolar cell of the retina
• Bipolar disorder
  • Bipolar I disorder
  • Bipolar II disorder
  • Bipolar NOS
• Bipolar spectrum

Astronomy

• Bipolar nebula, a two-lobed, axially symmetric nebula
• Bipolar outflow, outflow of ejected materials from both poles of a star

Engineering

• Bipolar electricity transmission
• Bipolar encoding
• Bipolar electric motor
  • Bi-Polar (locomotive), a locomotive using a bipolar electric motor
• Bipolar signal
• Bipolar violation

Transistors

• Bipolar junction transistor (BJT)
• Heterojunction bipolar transistor (HBT)
• Insulated-gate bipolar transistor (IGBT)

Mathematics

• Bipolar coordinates, a type of orthogonal coordinates based on the Apollonian circles
• Polar set, sometimes called a bipolar set, is the polar of a polar set

Political science

• Bipolarity: A situation in which two states have the majority of economic, military, and cultural influence internationally or regionally

Music

• Bi-Polar (Vanilla Ice album)
• Bipolar (Up Dharma Down album)
• Bipolar (El Cuarteto de Nos album)