- having two poles, as the earth.
- of, relating to, or found at both polar regions.
- characterized by opposite extremes, as two conflicting political philosophies.
- Electronics. of or relating to a transistor that uses both positive and negative charge carriers.
- Psychiatry. of, relating to, or having bipolar disorder: His wife is bipolar.
Origin of bipolar
Examples from the Web for bipolar
Interestingly, the PLOS Medicine article noted, Otsuka makes the same claim for schizophrenia as it does for bipolar disorder.
As in, we have no idea why this medication seems to help people with bipolar disorder.
A 33-year-old bipolar man walked into a store, lied about his mental health, and walked out with a deadly weapon.Stop Me Before I Buy a Gun Again, Begs Bipolar Man
June 6, 2014
And the bipolar junkie will stop at nothing to be promoted to detective inspector in a bid to win back his wife and children.James McAvoy on ‘Filth,’ His Wild Bachelor Party, and BB Gun Fights with Jennifer Lawrence
May 21, 2014
For mood disorders like depression and bipolar disorder, the hospitalization rate has jumped 80 percent since 1997.How American Hospitals Are Failing Mentally Ill Kids
March 19, 2014
Everything in nature is bipolar, or has a positive and negative pole.Essays, Second Series
Ralph Waldo Emerson
Some dynamos are bipolar, or have two poles, others are multipolar or have more than two.Physics
Willis Eugene Tower
If the connexion is only with one, the vesicle is called unipolar; if with two, bipolar; if with many, multipolar or stellate.History of the Intellectual Development of Europe, Volume II (of 2)</p>
John William Draper
Unipolar spots are very seldom observed without some indication of the characteristics of bipolar groups.
The bipolar spot seems to be the dominant type, and the unipolar type a variant of it.
- having two polesa bipolar dynamo; a bipolar neuron
- relating to or found at the North and South Poles
- having or characterized by two opposed opinions, natures, etc
- (of a transistor) utilizing both majority and minority charge carriers
- suffering from bipolar manic-depressive disorder
Word Origin and History for bipolar
"having two poles," from bi- + polar; 1810 with figurative sense of "of double aspect;" 1859 with reference to physiology. Psychiatric use in reference to what had been called manic-depressive psychosis is said to have begun 1957 with German psychiatrist Karl Leonhard. The term became popular early 1990s. Bipolar disorder was in DSM III (1980).
- Having two poles; used especially of nerve cells in which the branches project from two usually opposite points.
- Of or relating to both ends or poles of a bacterial or other cell.
- Of or relating to a major mood disorder that is characterized by episodes of mania and depression.
- Relating to or having two poles or charges.
- Relating to a semiconductor device, such as a transistor, that exploits the electrical characteristics of contact between two substances, one with an inherent positive charge, the other with an inherent negative charge.
- Relating to or involving both of the Earth's polar regions.
- Relating to a neuron that has two processes or extremities.
- Relating to bipolar disorder.