"Schlenk flask" meaning in English

{
  "etymology_text": "From the inventor, Wilhelm Schlenk.",
  "forms": [
    {
      "form": "Schlenk flasks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Schlenk flask (plural Schlenk flasks)",
      "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"
        },
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          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
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          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An item of glass laboratory equipment consisting of a flask designed for the extraction of air to leave an inert gas or vacuum before introducing the reagents."
      ],
      "id": "en-Schlenk_flask-en-noun-SHgEi9HN",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "laboratory",
          "laboratory"
        ],
        [
          "flask",
          "flask"
        ],
        [
          "extraction",
          "extraction"
        ],
        [
          "inert gas",
          "inert gas"
        ],
        [
          "vacuum",
          "vacuum"
        ],
        [
          "reagents",
          "reagents"
        ]
      ],
      "raw_glosses": [
        "(chemistry) An item of glass laboratory equipment consisting of a flask designed for the extraction of air to leave an inert gas or vacuum before introducing the reagents."
      ],
      "synonyms": [
        {
          "word": "Schlenk tube"
        }
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "wikipedia": [
        "Schlenk flask"
      ]
    }
  ],
  "word": "Schlenk flask"
}

{
  "etymology_text": "From the inventor, Wilhelm Schlenk.",
  "forms": [
    {
      "form": "Schlenk flasks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Schlenk flask (plural Schlenk flasks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Chemistry"
      ],
      "glosses": [
        "An item of glass laboratory equipment consisting of a flask designed for the extraction of air to leave an inert gas or vacuum before introducing the reagents."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "laboratory",
          "laboratory"
        ],
        [
          "flask",
          "flask"
        ],
        [
          "extraction",
          "extraction"
        ],
        [
          "inert gas",
          "inert gas"
        ],
        [
          "vacuum",
          "vacuum"
        ],
        [
          "reagents",
          "reagents"
        ]
      ],
      "raw_glosses": [
        "(chemistry) An item of glass laboratory equipment consisting of a flask designed for the extraction of air to leave an inert gas or vacuum before introducing the reagents."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "wikipedia": [
        "Schlenk flask"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "Schlenk tube"
    }
  ],
  "word": "Schlenk flask"
}