"engineering strain" meaning in English

{
  "forms": [
    {
      "form": "engineering strains",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "nominal strain",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "engineering strain (countable and uncountable, plural engineering strains)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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        {
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          "langcode": "en",
          "name": "Engineering",
          "orig": "en:Engineering",
          "parents": [
            "Applied sciences",
            "Technology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A dimensionless measure of object deformation; the ratio of the object's deformed length to its initial length, along some axis."
      ],
      "id": "en-engineering_strain-en-noun-WUD1ys~D",
      "links": [
        [
          "engineering",
          "engineering#Noun"
        ],
        [
          "dimensionless",
          "dimensionless"
        ],
        [
          "deformation",
          "deformation"
        ],
        [
          "axis",
          "axis"
        ]
      ],
      "raw_glosses": [
        "(engineering) A dimensionless measure of object deformation; the ratio of the object's deformed length to its initial length, along some axis."
      ],
      "related": [
        {
          "word": "true strain"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "engineering strain"
}

{
  "forms": [
    {
      "form": "engineering strains",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "nominal strain",
      "tags": [
        "alternative"
      ]
    }
  ],
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      "expansion": "engineering strain (countable and uncountable, plural engineering strains)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "true strain"
    }
  ],
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        "en:Engineering"
      ],
      "glosses": [
        "A dimensionless measure of object deformation; the ratio of the object's deformed length to its initial length, along some axis."
      ],
      "links": [
        [
          "engineering",
          "engineering#Noun"
        ],
        [
          "dimensionless",
          "dimensionless"
        ],
        [
          "deformation",
          "deformation"
        ],
        [
          "axis",
          "axis"
        ]
      ],
      "raw_glosses": [
        "(engineering) A dimensionless measure of object deformation; the ratio of the object's deformed length to its initial length, along some axis."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "engineering strain"
}