"Bagnold number" meaning in English

{
  "etymology_text": "Named after Ralph Bagnold.",
  "forms": [
    {
      "form": "Bagnold numbers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Bagnold number (plural Bagnold numbers)",
      "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The ratio of grain collision stresses to viscous fluid stresses in a granular flow with interstitial Newtonian fluid: Ba=(ρd²λ^(1/2)̇γ)/μ, where ρ is the particle density, d is the grain diameter, ̇γ is the shear rate, μ is the dynamic viscosity of the interstitial fluid and λ is the linear concentration."
      ],
      "id": "en-Bagnold_number-en-noun-oHosBbJE",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "grain",
          "grain"
        ],
        [
          "collision",
          "collision"
        ],
        [
          "stress",
          "stress"
        ],
        [
          "viscous",
          "viscous"
        ],
        [
          "fluid",
          "fluid"
        ],
        [
          "granular",
          "granular"
        ],
        [
          "interstitial",
          "interstitial"
        ],
        [
          "Newtonian fluid",
          "Newtonian fluid"
        ],
        [
          "density",
          "density"
        ],
        [
          "shear",
          "shear"
        ],
        [
          "dynamic",
          "dynamic"
        ],
        [
          "viscosity",
          "viscosity"
        ]
      ],
      "raw_glosses": [
        "(physics, uncommon) The ratio of grain collision stresses to viscous fluid stresses in a granular flow with interstitial Newtonian fluid: Ba=(ρd²λ^(1/2)̇γ)/μ, where ρ is the particle density, d is the grain diameter, ̇γ is the shear rate, μ is the dynamic viscosity of the interstitial fluid and λ is the linear concentration."
      ],
      "tags": [
        "uncommon"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "Ralph Bagnold"
      ]
    }
  ],
  "word": "Bagnold number"
}

{
  "etymology_text": "Named after Ralph Bagnold.",
  "forms": [
    {
      "form": "Bagnold numbers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Bagnold number (plural Bagnold numbers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with uncommon senses",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Physics"
      ],
      "glosses": [
        "The ratio of grain collision stresses to viscous fluid stresses in a granular flow with interstitial Newtonian fluid: Ba=(ρd²λ^(1/2)̇γ)/μ, where ρ is the particle density, d is the grain diameter, ̇γ is the shear rate, μ is the dynamic viscosity of the interstitial fluid and λ is the linear concentration."
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "grain",
          "grain"
        ],
        [
          "collision",
          "collision"
        ],
        [
          "stress",
          "stress"
        ],
        [
          "viscous",
          "viscous"
        ],
        [
          "fluid",
          "fluid"
        ],
        [
          "granular",
          "granular"
        ],
        [
          "interstitial",
          "interstitial"
        ],
        [
          "Newtonian fluid",
          "Newtonian fluid"
        ],
        [
          "density",
          "density"
        ],
        [
          "shear",
          "shear"
        ],
        [
          "dynamic",
          "dynamic"
        ],
        [
          "viscosity",
          "viscosity"
        ]
      ],
      "raw_glosses": [
        "(physics, uncommon) The ratio of grain collision stresses to viscous fluid stresses in a granular flow with interstitial Newtonian fluid: Ba=(ρd²λ^(1/2)̇γ)/μ, where ρ is the particle density, d is the grain diameter, ̇γ is the shear rate, μ is the dynamic viscosity of the interstitial fluid and λ is the linear concentration."
      ],
      "tags": [
        "uncommon"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "Ralph Bagnold"
      ]
    }
  ],
  "word": "Bagnold number"
}