| 单词 | electret |
| 释义 | electret[ ih-lek-trit ] / ɪˈlɛk trɪt / noun Electricity.a dielectric that possesses a permanent or semipermanent electric polarity, analogous to a permanent magnet. Origin of electretFirst recorded in 1880–85; electr(icity) + (magn)et Words nearby electretelectr-, Electra, Electra complex, Electra paradox, electress, electret, electric, electrical, electrical alternation, electrical axis, electrical degree Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for electretelectret / (ɪˈlɛktrət) / nouna permanently polarized dielectric material; its electric field is similar to the magnetic field of a permanent magnet Word Origin for electretC20: from electr (icity + magn) et Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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