"butyrometer" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "butyro",
        "3": "meter"
      },
      "expansion": "butyro- + -meter",
      "name": "confix"
    }
  ],
  "etymology_text": "butyro- + -meter",
  "forms": [
    {
      "form": "butyrometers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "butyrometer (plural butyrometers)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "categories": [
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          "kind": "other",
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          "source": "w"
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          "kind": "other",
          "name": "English terms prefixed with butyro-",
          "parents": [],
          "source": "w"
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        {
          "kind": "other",
          "name": "English terms suffixed with -meter",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Measuring instruments",
          "orig": "en:Measuring instruments",
          "parents": [
            "Tools",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any of several devices used to estimate the proportion of butterfat in milk"
      ],
      "id": "en-butyrometer-en-noun-rzVKBBQb",
      "links": [
        [
          "butterfat",
          "butterfat"
        ],
        [
          "milk",
          "milk"
        ]
      ],
      "related": [
        {
          "word": "butyrometric"
        },
        {
          "word": "butyrometry"
        },
        {
          "english": "a type of butyrometer",
          "word": "Gerber tube"
        }
      ]
    }
  ],
  "word": "butyrometer"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "butyro",
        "3": "meter"
      },
      "expansion": "butyro- + -meter",
      "name": "confix"
    }
  ],
  "etymology_text": "butyro- + -meter",
  "forms": [
    {
      "form": "butyrometers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "butyrometer (plural butyrometers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "butyrometric"
    },
    {
      "word": "butyrometry"
    },
    {
      "english": "a type of butyrometer",
      "word": "Gerber tube"
    }
  ],
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        "en:Measuring instruments"
      ],
      "glosses": [
        "Any of several devices used to estimate the proportion of butterfat in milk"
      ],
      "links": [
        [
          "butterfat",
          "butterfat"
        ],
        [
          "milk",
          "milk"
        ]
      ]
    }
  ],
  "word": "butyrometer"
}