"catalytic activity" meaning in English

{
  "forms": [
    {
      "form": "catalytic activities",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "catalytic activity (countable and uncountable, plural catalytic activities)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "58 42",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "73 27",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "68 32",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "62 38",
          "kind": "topical",
          "langcode": "en",
          "name": "Catalysis",
          "orig": "en:Catalysis",
          "parents": [
            "Chemical processes",
            "Chemical reactions",
            "Physical chemistry",
            "Nature",
            "Chemistry",
            "Physics",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "The increase in rate of a chemical reaction caused by the presence of a catalyst."
      ],
      "id": "en-catalytic_activity-en-noun-hdBTTJUa",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "rate",
          "rate"
        ],
        [
          "chemical",
          "chemical"
        ],
        [
          "reaction",
          "reaction"
        ],
        [
          "catalyst",
          "catalyst"
        ]
      ],
      "raw_glosses": [
        "(chemistry) The increase in rate of a chemical reaction caused by the presence of a catalyst."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    },
    {
      "glosses": [
        "An amount of catalyst, expressed as the increase of the rate of its reaction."
      ],
      "id": "en-catalytic_activity-en-noun-wmbydR8c",
      "links": [
        [
          "amount",
          "amount"
        ]
      ],
      "related": [
        {
          "_dis1": "38 62",
          "english": "the SI unit",
          "word": "katal"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "catalytic activity"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English uncountable nouns",
    "Pages with 1 entry",
    "Pages with entries",
    "en:Catalysis"
  ],
  "forms": [
    {
      "form": "catalytic activities",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "catalytic activity (countable and uncountable, plural catalytic activities)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "english": "the SI unit",
      "word": "katal"
    }
  ],
  "senses": [
    {
      "glosses": [
        "The increase in rate of a chemical reaction caused by the presence of a catalyst."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "rate",
          "rate"
        ],
        [
          "chemical",
          "chemical"
        ],
        [
          "reaction",
          "reaction"
        ],
        [
          "catalyst",
          "catalyst"
        ]
      ],
      "raw_glosses": [
        "(chemistry) The increase in rate of a chemical reaction caused by the presence of a catalyst."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    },
    {
      "glosses": [
        "An amount of catalyst, expressed as the increase of the rate of its reaction."
      ],
      "links": [
        [
          "amount",
          "amount"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "catalytic activity"
}