Conductor

Conductor or conduction may refer to:

Music

 * Conductor (music), a person who leads a musical ensemble
 * Conductor (album), by The Comas
 * Conduction, musical improvisation method of Butch Morris

Mathematics

 * Conductor (ring theory)
 * Conductor of an abelian variety
 * Conductor of a Dirichlet character
 * Conductor (class field theory)
 * Artin conductor, of a Galois group
 * Conductor of a Numerical semigroup

Physics

 * Electrical conductor
 * Electrical resistivity and conductivity
 * Electrical resistance and conductance
 * Fast ion conductor
 * Mixed conductor, ionic and electronic
 * Electrical conduction system of the heart
 * Thermal conduction
 * Thermal conductivity

Transport

 * Bus conductor, checking tickets
 * Conductor (rail), on a train
 * Conductor (underground railroad), freeing slaves

Other uses

 * Mr. Conductor, a character in Shining Time Station and Thomas and the Magic Railroad
 * Conductor (architecture), a downspout
 * Conductor (company), search engine optimisation company, New York City, US
 * Conductor (military appointment), UK warrant officer
 * Conductor (software), microservice orchestration
 * The Conductor (film), by Pavel Lungin, Russia, 2012
 * Part of the palpal bulb of male spiders
 * The Orchestra Conductor, a 1980 Polish film by Andrzej Wajda
 * Teacher in conductive pedagogy