Bipolar is a term used to define things with two (usually opposing) poles. It can refer to:

In Medicine

• Bipolar disorder
  • Bipolar I
  • Bipolar II
  • Fictional characters with bipolar disorder:
    • Tira, from the Soul Calibur games
    • Doctor N. Gin, from Crash Tag Team Racing
• Bipolar cell, a second order neuron of the retina

In Electronics For other uses, see Bipolar. ... Bipolar I is a sub-diagnosis of bipolar disorder. ... Manic depression, with its two principal sub-types, bipolar disorder and major depression, was first clinically described near the end of the 19th century by psychiatrist Emil Kraepelin, who published his account of the disease in his Textbook of Psychiatry. ... Tira ) is a fictional character designed for the Soul Series of fighting games. ... Doctor N. Gin , sometimes spelled N-Gin) is a fictional video game character and secondary villain in the Crash Bandicoot series of video games. ... As a part of the retina, the bipolar cell exists between photoreceptors (rod cells and cone cells) and ganglion cells. ...

• Bipolar junction transistor, electronic device
  • BiCMOS, the integration of bipolar junction transistors and CMOS technology into a single device
• A loudspeaker design which has transducers on the front and the rear of the enclosure
• Nickname for the Milwaukee Road class EP-2 electric locomotives

In Science A bipolar junction transistor (BJT) is a type of transistor. ... In integrated circuit technologies, BiCMOS, also called BiMOS, refers to the integration of bipolar junction transistors and CMOS technology into a single device. ... For other uses, see CMOS (disambiguation). ... For the Marty Friedman album, see Loudspeaker (album) An inexpensive low fidelity 3. ... The Milwaukee Roads class EP-2 comprised five electric locomotives built by General Electric in 1919. ...

• Bipolar nebula, a two-lobed, axially symmetric nebula
• Bipolar outflow, outflow of ejected materials from both poles of a star
• Bipolar political system, a system where two political powers are equally matched

In Mathematics Planetary Nebula M2-9, otherwise known as the Twin Jet Nebula or the Wings of a Butterfly Nebula, is a good example of a bipolar or two-lobed nebula. ... The Boomerang Nebula is an excellent example of a bipolar outflow. ... Polarity in international relations is a description of the distribution of power within the international system. ...

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

In Pop culture In functional analysis and related areas of mathematics a polar set of a subset of a vector space is a set in the dual space. ... In mathematics, bipolar coordinates are a coordinate system where curves are specified as the locus of points in terms of distances to two fixed points. ...

• Bi-Polar (album), an album by American rapper Vanilla Ice
• Working title of album Results May Vary by Limp Bizkit

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