- a permanently polarized dielectric material; its electric field is similar to the magnetic field of a permanent magnet
| 单词 | electret |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 e•lec•tret (i lek′trit),USA pronunciation n. [Elect.]
Collins Concise English Dictionary © HarperCollins Publishers:: electret /ɪˈlɛktrət/ n
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