"Lanchester equation" meaning in All languages combined

{
  "etymology_text": "Devised by Frederick Lanchester, English engineer.",
  "forms": [
    {
      "form": "Lanchester equations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Lanchester equation (plural Lanchester equations)",
      "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": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A differential equation describing the time dependence of two armies' strengths as a function of time."
      ],
      "id": "en-Lanchester_equation-en-noun-W~VFqx32",
      "links": [
        [
          "differential equation",
          "differential equation"
        ],
        [
          "armies",
          "army"
        ],
        [
          "strength",
          "strength"
        ],
        [
          "function",
          "function"
        ],
        [
          "time",
          "time"
        ]
      ],
      "related": [
        {
          "word": "Lanchester's law"
        }
      ],
      "wikipedia": [
        "Frederick Lanchester"
      ]
    }
  ],
  "word": "Lanchester equation"
}

{
  "etymology_text": "Devised by Frederick Lanchester, English engineer.",
  "forms": [
    {
      "form": "Lanchester equations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Lanchester equation (plural Lanchester equations)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Lanchester's law"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A differential equation describing the time dependence of two armies' strengths as a function of time."
      ],
      "links": [
        [
          "differential equation",
          "differential equation"
        ],
        [
          "armies",
          "army"
        ],
        [
          "strength",
          "strength"
        ],
        [
          "function",
          "function"
        ],
        [
          "time",
          "time"
        ]
      ],
      "wikipedia": [
        "Frederick Lanchester"
      ]
    }
  ],
  "word": "Lanchester equation"
}