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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.
Ordinance: 1 a a Christian rite (as baptism or the Eucharist) that is believed to have been ordained by Christ and that is held to be a means of divine grace or to be a sign or symbol of a spiritual reality b a religious rite or observance comparable to a Christian sacrament.1  An authoritative command or order.acraments are also seals which means that God signifies that the person receiving the sacrament has the quality it signifies. So the seal points back to the sign. An illustration of a seal is a diploma.