"densidad" meaning in Spanish

{
  "derived": [
    {
      "_dis1": "0 0",
      "word": "densidad de población"
    },
    {
      "_dis1": "0 0",
      "word": "densidad relativa"
    },
    {
      "_dis1": "0 0",
      "word": "función de densidad de probabilidad conjunta"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "la",
        "3": "densitas",
        "4": "dēnsitātem"
      },
      "expansion": "Borrowed from Latin dēnsitātem",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Latin dēnsitātem.",
  "forms": [
    {
      "form": "densidades",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "densidad f (plural densidades)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "related": [
    {
      "_dis1": "0 0",
      "word": "denso"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Physics",
          "orig": "es:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "82 18",
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "density"
      ],
      "id": "en-densidad-es-noun-Bvg4IHGk",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "density",
          "density"
        ]
      ],
      "raw_glosses": [
        "(physics) density"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    },
    {
      "glosses": [
        "thickness, heaviness"
      ],
      "id": "en-densidad-es-noun-co~Y~hpC",
      "links": [
        [
          "thickness",
          "thickness"
        ],
        [
          "heaviness",
          "heaviness"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "densidad"
}

{
  "categories": [
    "Spanish countable nouns",
    "Spanish entries with incorrect language header",
    "Spanish feminine nouns",
    "Spanish lemmas",
    "Spanish nouns",
    "Spanish terms borrowed from Latin",
    "Spanish terms derived from Latin"
  ],
  "derived": [
    {
      "word": "densidad de población"
    },
    {
      "word": "densidad relativa"
    },
    {
      "word": "función de densidad de probabilidad conjunta"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "la",
        "3": "densitas",
        "4": "dēnsitātem"
      },
      "expansion": "Borrowed from Latin dēnsitātem",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Latin dēnsitātem.",
  "forms": [
    {
      "form": "densidades",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "densidad f (plural densidades)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "related": [
    {
      "word": "denso"
    }
  ],
  "senses": [
    {
      "categories": [
        "es:Physics"
      ],
      "glosses": [
        "density"
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "density",
          "density"
        ]
      ],
      "raw_glosses": [
        "(physics) density"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    },
    {
      "glosses": [
        "thickness, heaviness"
      ],
      "links": [
        [
          "thickness",
          "thickness"
        ],
        [
          "heaviness",
          "heaviness"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "densidad"
}