"microseism" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "micro",
        "3": "seism"
      },
      "expansion": "micro- + seism",
      "name": "prefix"
    }
  ],
  "etymology_text": "From micro- + seism.",
  "forms": [
    {
      "form": "microseisms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "microseism (plural microseisms)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with micro-",
          "parents": [],
          "source": "w"
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        {
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        },
        {
          "kind": "other",
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      ],
      "glosses": [
        "A faint earth tremor caused by natural phenomena, such as wind."
      ],
      "id": "en-microseism-en-noun-z52BUly5",
      "links": [
        [
          "tremor",
          "tremor"
        ],
        [
          "wind",
          "wind"
        ]
      ],
      "translations": [
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "tremor",
          "word": "aardschok"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "tremor",
          "tags": [
            "masculine"
          ],
          "word": "microsismo"
        }
      ],
      "wikipedia": [
        "microseism"
      ]
    }
  ],
  "word": "microseism"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "micro",
        "3": "seism"
      },
      "expansion": "micro- + seism",
      "name": "prefix"
    }
  ],
  "etymology_text": "From micro- + seism.",
  "forms": [
    {
      "form": "microseisms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "microseism (plural microseisms)",
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  "lang_code": "en",
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      "glosses": [
        "A faint earth tremor caused by natural phenomena, such as wind."
      ],
      "links": [
        [
          "tremor",
          "tremor"
        ],
        [
          "wind",
          "wind"
        ]
      ],
      "wikipedia": [
        "microseism"
      ]
    }
  ],
  "translations": [
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "tremor",
      "word": "aardschok"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "tremor",
      "tags": [
        "masculine"
      ],
      "word": "microsismo"
    }
  ],
  "word": "microseism"
}