Bipolar may refer to:

Astronomy Bipolar nebula, a distinctive nebular formation Bipolar outflow, two continuous flows of gas from the poles of a star

Mathematics 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

Medicine 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

Music Albums Bipolar (Up Dharma Down album), 2008 Bi-Polar (Vanilla Ice album), 2001 Bipolar, a 2009 album by rock group El Cuarteto de Nos Bipolar, a 2019 EP by American singer-songwriter Yot Club

Songs "Bipolar" (song), a 2023 song by Peso Pluma, Jasiel Nuñez, and Junior H "Bipolar", a song by Blonde Redhead from their 1997 album Fake Can Be Just as Good "Bipolar", a song by Gloria Trevi from her 2013 album De Película "Bipolar", a song by Gucci Mane from his 2018 album Evil Genius "Bipolar", a 2019 song by Kiiara "Bi Polar", a 2021 song by Bhad Bhabie "Bipolar", a song by Wifiskeleton from his mixtape Pony

Technology Bipolar electricity transmission, using a pair of conductors in opposite polarity Bipolar encoding, a type of line code where two nonzero values are used Bipolar violation, a violation of the bipolar encoding rules Bipolar electric motor, an electric motor with only two poles to its stationary field Bipolar (locomotive), a locomotive using a bipolar electric motor Bipolar signal, a signal that may assume either of two polarities, neither of which is zero Lithic reduction: Bipolar percussion (archaeology)

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

Other uses Bipolarisation or Bipolarity, polarity in international relations involving two states

See also Dipole (disambiguation)