"extensometer" meaning in English

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    {
      "form": "extensometers",
      "tags": [
        "plural"
      ]
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  ],
  "head_templates": [
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      "args": {},
      "expansion": "extensometer (plural extensometers)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
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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"
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          "parents": [],
          "source": "w"
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          "kind": "topical",
          "langcode": "en",
          "name": "Measuring instruments",
          "orig": "en:Measuring instruments",
          "parents": [
            "Tools",
            "Technology",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "extensimetric"
        },
        {
          "word": "extensimetry"
        },
        {
          "word": "extensometry"
        }
      ],
      "examples": [
        {
          "ref": "2022 October 5, Tom Allett, “HS2's green screen to aid the environment”, in RAIL, number 967, page 35:",
          "text": "For the ground, that means using three primary types of equipment:\n■ Extensometers to look for ground heave - the upwards movement of soil, which can occur at any stage. It is essentially the opposite of erosion and is often associated with clay-type soils which swell when wet.\n■ Inclinometers, which measure slope movements.\n■ Piezometers to measure water levels.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An electromechanical device for measuring changes in length of an object undergoing stress."
      ],
      "id": "en-extensometer-en-noun-XkEmEID9",
      "links": [
        [
          "electromechanical",
          "electromechanical"
        ],
        [
          "length",
          "length"
        ],
        [
          "stress",
          "stress"
        ]
      ]
    }
  ],
  "word": "extensometer"
}

{
  "derived": [
    {
      "word": "extensimetric"
    },
    {
      "word": "extensimetry"
    },
    {
      "word": "extensometry"
    }
  ],
  "forms": [
    {
      "form": "extensometers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "extensometer (plural extensometers)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "en:Measuring instruments"
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      "examples": [
        {
          "ref": "2022 October 5, Tom Allett, “HS2's green screen to aid the environment”, in RAIL, number 967, page 35:",
          "text": "For the ground, that means using three primary types of equipment:\n■ Extensometers to look for ground heave - the upwards movement of soil, which can occur at any stage. It is essentially the opposite of erosion and is often associated with clay-type soils which swell when wet.\n■ Inclinometers, which measure slope movements.\n■ Piezometers to measure water levels.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An electromechanical device for measuring changes in length of an object undergoing stress."
      ],
      "links": [
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          "electromechanical",
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        ],
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          "length",
          "length"
        ],
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          "stress",
          "stress"
        ]
      ]
    }
  ],
  "word": "extensometer"
}