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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.
LITURGICAL COLORS. The SIMPLE designation is a prescription which assumes that one has three sets of vestments - a set of non-metallic gold or some other pale color for general usage, a bright set of white, and a dark set of wine red or purple.