"Helmholtz resonator" meaning in English

{
  "etymology_text": "Named for German physician and physicist Hermann Ludwig Ferdinand von Helmholtz.",
  "forms": [
    {
      "form": "Helmholtz resonators",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Helmholtz resonator"
      },
      "expansion": "Helmholtz resonator (plural Helmholtz resonators)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
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          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
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          "source": "w"
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          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A container with an open hole or neck containing a column of compressible fluid (gas) and frequently used to attenuate a certain frequency, as to eliminate noise."
      ],
      "id": "en-Helmholtz_resonator-en-noun-I6qcAKWn",
      "links": [
        [
          "hole",
          "hole"
        ],
        [
          "neck",
          "neck"
        ],
        [
          "column",
          "column"
        ],
        [
          "compressible",
          "compressible"
        ],
        [
          "fluid",
          "fluid"
        ],
        [
          "gas",
          "gas"
        ],
        [
          "attenuate",
          "attenuate"
        ],
        [
          "frequency",
          "frequency"
        ],
        [
          "noise",
          "noise"
        ]
      ],
      "translations": [
        {
          "code": "ca",
          "lang": "Catalan",
          "sense": "container used to attenuate a certain frequency",
          "tags": [
            "masculine"
          ],
          "word": "ressonador de Helmholtz"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "container used to attenuate a certain frequency",
          "word": "Helmholtz-resonaattori"
        }
      ],
      "wikipedia": [
        "Hermann Von Helmholtz"
      ]
    }
  ],
  "word": "Helmholtz resonator"
}

{
  "etymology_text": "Named for German physician and physicist Hermann Ludwig Ferdinand von Helmholtz.",
  "forms": [
    {
      "form": "Helmholtz resonators",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Helmholtz resonator"
      },
      "expansion": "Helmholtz resonator (plural Helmholtz resonators)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys"
      ],
      "glosses": [
        "A container with an open hole or neck containing a column of compressible fluid (gas) and frequently used to attenuate a certain frequency, as to eliminate noise."
      ],
      "links": [
        [
          "hole",
          "hole"
        ],
        [
          "neck",
          "neck"
        ],
        [
          "column",
          "column"
        ],
        [
          "compressible",
          "compressible"
        ],
        [
          "fluid",
          "fluid"
        ],
        [
          "gas",
          "gas"
        ],
        [
          "attenuate",
          "attenuate"
        ],
        [
          "frequency",
          "frequency"
        ],
        [
          "noise",
          "noise"
        ]
      ],
      "wikipedia": [
        "Hermann Von Helmholtz"
      ]
    }
  ],
  "translations": [
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "container used to attenuate a certain frequency",
      "tags": [
        "masculine"
      ],
      "word": "ressonador de Helmholtz"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "container used to attenuate a certain frequency",
      "word": "Helmholtz-resonaattori"
    }
  ],
  "word": "Helmholtz resonator"
}