"McLeod gauge" meaning in English

{
  "etymology_text": "Invented in 1874 by Herbert McLeod.",
  "forms": [
    {
      "form": "McLeod gauges",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "McLeod gauge (plural McLeod gauges)",
      "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"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a device, rather like a manometer, used to measure low pressures close to that of a vacuum, by using an application of Boyle's law"
      ],
      "id": "en-McLeod_gauge-en-noun-s9uB~F5e",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "manometer",
          "manometer"
        ],
        [
          "pressure",
          "pressure"
        ],
        [
          "vacuum",
          "vacuum"
        ],
        [
          "Boyle's law",
          "Boyle's law"
        ]
      ],
      "raw_glosses": [
        "(physics) a device, rather like a manometer, used to measure low pressures close to that of a vacuum, by using an application of Boyle's law"
      ],
      "related": [
        {
          "word": "sticky vacuum"
        }
      ],
      "synonyms": [
        {
          "tags": [
            "US"
          ],
          "word": "McLeod gage"
        }
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "McLeod gauge"
}

{
  "etymology_text": "Invented in 1874 by Herbert McLeod.",
  "forms": [
    {
      "form": "McLeod gauges",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "McLeod gauge (plural McLeod gauges)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "sticky vacuum"
    }
  ],
  "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",
        "en:Physics"
      ],
      "glosses": [
        "a device, rather like a manometer, used to measure low pressures close to that of a vacuum, by using an application of Boyle's law"
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "manometer",
          "manometer"
        ],
        [
          "pressure",
          "pressure"
        ],
        [
          "vacuum",
          "vacuum"
        ],
        [
          "Boyle's law",
          "Boyle's law"
        ]
      ],
      "raw_glosses": [
        "(physics) a device, rather like a manometer, used to measure low pressures close to that of a vacuum, by using an application of Boyle's law"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "synonyms": [
    {
      "tags": [
        "US"
      ],
      "word": "McLeod gage"
    }
  ],
  "word": "McLeod gauge"
}