"flux density" meaning in English

{
  "forms": [
    {
      "form": "flux densities",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "flux density (plural flux densities)",
      "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"
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          "source": "w"
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          "parents": [
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          "source": "w"
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          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Physical quantities",
          "orig": "en:Physical quantities",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A measure of rate of flow of a fluid, particles or energy per unit area"
      ],
      "id": "en-flux_density-en-noun-iTBxQpS0",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "fluid",
          "fluid"
        ],
        [
          "particle",
          "particle"
        ],
        [
          "energy",
          "energy"
        ]
      ],
      "raw_glosses": [
        "(physics) A measure of rate of flow of a fluid, particles or energy per unit area"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "translations": [
        {
          "code": "it",
          "lang": "Italian",
          "sense": "flux density",
          "tags": [
            "feminine"
          ],
          "word": "fluenza"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "flux density",
          "tags": [
            "common-gender"
          ],
          "word": "flödestäthet"
        },
        {
          "code": "tl",
          "lang": "Tagalog",
          "sense": "flux density",
          "word": "kasiksikan ng himaymay"
        }
      ]
    }
  ],
  "word": "flux density"
}

{
  "forms": [
    {
      "form": "flux densities",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "flux density (plural flux densities)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
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        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Physical quantities",
        "en:Physics"
      ],
      "glosses": [
        "A measure of rate of flow of a fluid, particles or energy per unit area"
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "fluid",
          "fluid"
        ],
        [
          "particle",
          "particle"
        ],
        [
          "energy",
          "energy"
        ]
      ],
      "raw_glosses": [
        "(physics) A measure of rate of flow of a fluid, particles or energy per unit area"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "translations": [
    {
      "code": "it",
      "lang": "Italian",
      "sense": "flux density",
      "tags": [
        "feminine"
      ],
      "word": "fluenza"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "flux density",
      "tags": [
        "common-gender"
      ],
      "word": "flödestäthet"
    },
    {
      "code": "tl",
      "lang": "Tagalog",
      "sense": "flux density",
      "word": "kasiksikan ng himaymay"
    }
  ],
  "word": "flux density"
}