"Navier-Stokes equation" meaning in English

{
  "etymology_text": "Named after Claude-Louis Navier, French physicist, and George Gabriel Stokes, Irish mathematician and physicist.",
  "forms": [
    {
      "form": "Navier-Stokes equations",
      "tags": [
        "plural"
      ]
    }
  ],
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      "args": {},
      "expansion": "Navier-Stokes equation (plural Navier-Stokes equations)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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          "name": "English entries with incorrect language header",
          "parents": [],
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          "name": "Differential equations",
          "orig": "en:Differential equations",
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          "name": "Physics",
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        }
      ],
      "glosses": [
        "A partial differential equation which describes the conservation of linear momentum for a Newtonian incompressible fluid."
      ],
      "id": "en-Navier-Stokes_equation-en-noun-iJ-Okoy6",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "partial differential equation",
          "partial differential equation"
        ],
        [
          "conservation",
          "conservation"
        ],
        [
          "linear",
          "linear"
        ],
        [
          "momentum",
          "momentum"
        ],
        [
          "Newtonian",
          "Newtonian"
        ],
        [
          "incompressible",
          "incompressible"
        ],
        [
          "fluid",
          "fluid"
        ]
      ],
      "raw_glosses": [
        "(physics) A partial differential equation which describes the conservation of linear momentum for a Newtonian incompressible fluid."
      ],
      "related": [
        {
          "word": "Mach number"
        },
        {
          "word": "Reynolds number"
        }
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "translations": [
        {
          "code": "bg",
          "lang": "Bulgarian",
          "lang_code": "bg",
          "roman": "uravnenie na Navie-Stoks",
          "sense": "fluid PDE",
          "tags": [
            "neuter"
          ],
          "word": "уравнение на Навие-Стокс"
        }
      ],
      "wikipedia": [
        "Claude-Louis Navier",
        "George Gabriel Stokes"
      ]
    }
  ],
  "word": "Navier-Stokes equation"
}

{
  "etymology_text": "Named after Claude-Louis Navier, French physicist, and George Gabriel Stokes, Irish mathematician and physicist.",
  "forms": [
    {
      "form": "Navier-Stokes equations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Mach number"
    },
    {
      "word": "Reynolds number"
    }
  ],
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      "glosses": [
        "A partial differential equation which describes the conservation of linear momentum for a Newtonian incompressible fluid."
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "partial differential equation",
          "partial differential equation"
        ],
        [
          "conservation",
          "conservation"
        ],
        [
          "linear",
          "linear"
        ],
        [
          "momentum",
          "momentum"
        ],
        [
          "Newtonian",
          "Newtonian"
        ],
        [
          "incompressible",
          "incompressible"
        ],
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          "fluid",
          "fluid"
        ]
      ],
      "raw_glosses": [
        "(physics) A partial differential equation which describes the conservation of linear momentum for a Newtonian incompressible fluid."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "Claude-Louis Navier",
        "George Gabriel Stokes"
      ]
    }
  ],
  "translations": [
    {
      "code": "bg",
      "lang": "Bulgarian",
      "lang_code": "bg",
      "roman": "uravnenie na Navie-Stoks",
      "sense": "fluid PDE",
      "tags": [
        "neuter"
      ],
      "word": "уравнение на Навие-Стокс"
    }
  ],
  "word": "Navier-Stokes equation"
}