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Freebase(5.00 / 1 vote)Rate this definition: Electret. Electret is a dielectric material that has a quasi-permanent electric charge or dipole polarisation. An electret generates internal and external electric fields, and is the electrostatic equivalent of a permanent magnet. Oliver Heaviside coined this term in 1885.
The black robe common to all priests, called a cassock or a soutaine is the religious version of a suit jacket for a man, and the priest's normal day time outfit in a Catholic country. Other robes that form the basis of a religious habit are particular to that religious order.