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Conductor or conduction may refer to: In physics: * Electrical conductor, an object, substance or material allowing the flow of an electric charge * Electrical conduction, the movement of charged particles through an electrical conductor * Fast ion conductor, a solid-state electrical conductor which conducts due to the movement of ions * Conduction (heat), the transfer of thermal energy through matter * Electrical conduction system of the heart In mathematics: * Conductor (ring theory), an ideal of a ring that measures how far it is from being integrally closed * Conductor of an abelian variety, a description of its bad reduction * Conductor of a Dirichlet character, the natural (smallest) modulus for a character * Conductor (class field theory), a modulus describing the ramification in an abelian extension of local or global fields * Artin conductor, an ideal or number associated to a representation of a Galois group of a local or global field * In the theory of numerical semigroups, the conductor of a numerical semigroup (also called the Frobenius number of the semigroup) is the greatest integer not in the semigroup In biology: * The conductor is part of the palpal bulb of male spiders In music: * Conductor (music), a person who leads a musical ensemble * *The visible gestures of a conductor are known as conducting * ''Conductor'' (album), an album by indie rock band The Comas * Conduction, a type of structured free improvisation in music notably practiced by Butch Morris In other: * Conductor (rail), a member of the crew of a train or tram * Bus conductor, a person who checks tickets on a bus * Conductor (architecture), a traditional name for a downspout * Conductor (company), a provider of SEO services platforms based in New York City * Conductor (Army), a senior Warrant Officer appointment in the Royal Logistic Corps and its predecessors * Conductor (underground railroad), an operative of the Underground Railroad of the 19th century United States helping move slaves to freedom * Mr. Conductor, a character in ''Shining Time Station'' and in ''Thomas and the Magic Railroad'' 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Conductor」の詳細全文を読む スポンサード リンク
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