Unipolar

Unipolar

Unipolar may refer to:

* Unipolar depression or unipolar disorder: a state of intense sadness, melancholia or despair that has advanced to the point of being disruptive to an individual's social functioning and/or activities of daily living
* Unipolar encoding: a line code
* Unipolar generator: a DC electrical generator in which the magnetic field has the same polarity at every point, so that the armature passes through the magnetic field lines of force continually in the same direction
* Unipolar induction
* Unipolar motor: a type of small DC electric motor commonly found in small, portable cassette players
* Unipolar neuron: a neuron with a single neurite, round body and with different segments that serve as superficial receptors or terminals
* Unipolar transistor: alternate name for a field-effect transistor, which differs from a bipolar transistor in that only one type of charge carrier is involved in its operation
* Unipolarity in international relations ("unipolar world")


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  • Unipolar — U ni*po lar, a. [Uni + polar.] 1. (Physics) Having, or acting by means of, one pole only. [1913 Webster] 2. (Anat.) Having but one pole or process; applied to those ganglionic nerve cells which have but one radiating process; opposed to… …   The Collaborative International Dictionary of English

  • unipolar — UNIPOLÁR, Ă, unipolari, e, adj. Care are un singur pol. ♦ (Despre celulele nervoase) Al cărei corp celular are o singură prelungire. – Din fr. unipolaire. Trimis de valeriu, 03.04.2003. Sursa: DEX 98  unipolár adj. m., pl. unipolári; f …   Dicționar Român

  • unipolar — Relativo a las neuronas con un solo polo, como la neurona que consta de axón pero no de dendritas. Diccionario Mosby Medicina, Enfermería y Ciencias de la Salud, Ediciones Hancourt, S.A. 1999 …   Diccionario médico

  • unipolar — 1812, from UNI (Cf. uni ) + POLAR (Cf. polar) …   Etymology dictionary

  • unipolar — adj. 2 g. 1. Que tem um só polo. 2.  [Física] Diz se dos fios de uma pilha que só conduzem uma eletricidade …   Dicionário da Língua Portuguesa

  • unipolar — ► ADJECTIVE ▪ having or relating to a single pole or extremity …   English terms dictionary

  • unipolar — [yo͞on΄əpō′lər] adj. 1. Elec. of or having only one magnetic or electric pole 2. Zool. designating a nerve cell, as in spinal ganglia, having only one process unipolarity [yo͞on΄ə pō′ler′e tē] n …   English World dictionary

  • Unipolar — Als unipolar werden bezeichnet: Elektrotechnik Es treten nur Ladungsträger einer Polarität auf (zum Beispiel Elektronen als bewegliche Ladungsträger in Metallen) Bei Spannungsquellen: Eine Gleichspannungs Quelle mit zwei Anschlüssen, von denen… …   Deutsch Wikipedia

  • unipolar — 1. Having but one pole; denoting a nerve cell from which the branches project from one side only. 2. Situated at one extremity only of a cell. * * * uni·po·lar .yü ni pō lər adj 1) having but one process <a unipolar neuron> 2) relating to… …   Medical dictionary

  • unipolar — adjective Date: 1965 relating to, affected with, or being a manic depressive disorder in which there is only a depressive phase < unipolar depression > …   New Collegiate Dictionary

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