"electret" meaning in English

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      "expansion": "Blend of electricity + magnet",
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  "etymology_text": "Blend of electricity + magnet.",
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    {
      "form": "electrets",
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        "plural"
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      "glosses": [
        "A solid dielectric having a quasi-permanent charge; usually a metallized film; used in electroacoustic and electromechanical transducers and in air filters."
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      "id": "en-electret-en-noun-6CCuVOl8",
      "links": [
        [
          "physics",
          "physics"
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          "dielectric",
          "dielectric"
        ],
        [
          "quasi",
          "quasi"
        ],
        [
          "permanent",
          "permanent"
        ],
        [
          "charge",
          "charge"
        ],
        [
          "metallized",
          "metallized"
        ],
        [
          "film",
          "film"
        ],
        [
          "electroacoustic",
          "electroacoustic"
        ],
        [
          "electromechanical",
          "electromechanical"
        ],
        [
          "transducer",
          "transducer"
        ],
        [
          "filter",
          "filter"
        ]
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        "(physics) A solid dielectric having a quasi-permanent charge; usually a metallized film; used in electroacoustic and electromechanical transducers and in air filters."
      ],
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        "natural-sciences",
        "physical-sciences",
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      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "solid dielectric having a quasi-permanent charge",
          "word": "駐極體"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "zhùjítǐ",
          "sense": "solid dielectric having a quasi-permanent charge",
          "word": "驻极体"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "solid dielectric having a quasi-permanent charge",
          "word": "elektreetti"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "solid dielectric having a quasi-permanent charge",
          "word": "elettrete"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "elektrét",
          "sense": "solid dielectric having a quasi-permanent charge",
          "tags": [
            "masculine"
          ],
          "word": "электре́т"
        }
      ],
      "wikipedia": [
        "electret"
      ]
    }
  ],
  "word": "electret"
}

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    }
  ],
  "etymology_text": "Blend of electricity + magnet.",
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    {
      "form": "electrets",
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        "plural"
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          "physics"
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          "transducer",
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        "(physics) A solid dielectric having a quasi-permanent charge; usually a metallized film; used in electroacoustic and electromechanical transducers and in air filters."
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        "physical-sciences",
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  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "solid dielectric having a quasi-permanent charge",
      "word": "駐極體"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "zhùjítǐ",
      "sense": "solid dielectric having a quasi-permanent charge",
      "word": "驻极体"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "solid dielectric having a quasi-permanent charge",
      "word": "elektreetti"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "solid dielectric having a quasi-permanent charge",
      "word": "elettrete"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "elektrét",
      "sense": "solid dielectric having a quasi-permanent charge",
      "tags": [
        "masculine"
      ],
      "word": "электре́т"
    }
  ],
  "word": "electret"
}