"reaction vessel" meaning in English

{
  "forms": [
    {
      "form": "reaction vessels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "reaction vessel (plural reaction vessels)",
      "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": "topical",
          "langcode": "en",
          "name": "Chemical processes",
          "orig": "en:Chemical processes",
          "parents": [
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemical reactions",
          "orig": "en:Chemical reactions",
          "parents": [
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Containers",
          "orig": "en:Containers",
          "parents": [
            "Tools",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any vessel used to contain the reactants taking part in a chemical reaction. Synonym: chemical reactor."
      ],
      "id": "en-reaction_vessel-en-noun-x~R5DceV",
      "links": [
        [
          "contain",
          "contain"
        ],
        [
          "reactant",
          "reactant"
        ],
        [
          "chemical reaction",
          "chemical reaction"
        ],
        [
          "chemical reactor",
          "chemical reactor"
        ]
      ]
    }
  ],
  "word": "reaction vessel"
}

{
  "forms": [
    {
      "form": "reaction vessels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "reaction vessel (plural reaction vessels)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Chemical processes",
        "en:Chemical reactions",
        "en:Containers"
      ],
      "glosses": [
        "Any vessel used to contain the reactants taking part in a chemical reaction. Synonym: chemical reactor."
      ],
      "links": [
        [
          "contain",
          "contain"
        ],
        [
          "reactant",
          "reactant"
        ],
        [
          "chemical reaction",
          "chemical reaction"
        ],
        [
          "chemical reactor",
          "chemical reactor"
        ]
      ]
    }
  ],
  "word": "reaction vessel"
}