"principio attivo" meaning in Italian

{
  "etymology_templates": [
    {
      "args": {
        "1": "active principle."
      },
      "expansion": "“active principle.”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "active principle."
      },
      "expansion": "Literally, “active principle.”",
      "name": "lit"
    },
    {
      "args": {
        "1": "fr",
        "2": "principe actif"
      },
      "expansion": "French principe actif",
      "name": "cog"
    }
  ],
  "etymology_text": "Literally, “active principle.” Compare French principe actif.",
  "forms": [
    {
      "form": "principi attivi",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "principio attivo m (plural principi attivi)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "it",
          "name": "Medicine",
          "orig": "it:Medicine",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "The red onion of Tropea, on the other hand, contains a lot of nitrous oxide, the same active ingredient of the little blue pill.",
          "ref": "2021, Masterchef Italia, season 10, episode 9, spoken by Bruno Barbieri",
          "text": "La cipolla rossa di Tropea invece contiene molto ossido nitroso, lo stesso principio attivo della pillolina blu.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "active ingredient"
      ],
      "id": "en-principio_attivo-it-noun-Q~0e8V78",
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "active ingredient",
          "active ingredient"
        ]
      ],
      "raw_glosses": [
        "(medicine) active ingredient"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "principio attivo"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "active principle."
      },
      "expansion": "“active principle.”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "active principle."
      },
      "expansion": "Literally, “active principle.”",
      "name": "lit"
    },
    {
      "args": {
        "1": "fr",
        "2": "principe actif"
      },
      "expansion": "French principe actif",
      "name": "cog"
    }
  ],
  "etymology_text": "Literally, “active principle.” Compare French principe actif.",
  "forms": [
    {
      "form": "principi attivi",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "principio attivo m (plural principi attivi)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Italian countable nouns",
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian masculine nouns",
        "Italian multiword terms",
        "Italian nouns",
        "Italian nouns with red links in their headword lines",
        "Italian terms with quotations",
        "it:Medicine"
      ],
      "examples": [
        {
          "english": "The red onion of Tropea, on the other hand, contains a lot of nitrous oxide, the same active ingredient of the little blue pill.",
          "ref": "2021, Masterchef Italia, season 10, episode 9, spoken by Bruno Barbieri",
          "text": "La cipolla rossa di Tropea invece contiene molto ossido nitroso, lo stesso principio attivo della pillolina blu.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "active ingredient"
      ],
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "active ingredient",
          "active ingredient"
        ]
      ],
      "raw_glosses": [
        "(medicine) active ingredient"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "principio attivo"
}