"velocity potential" meaning in English

{
  "forms": [
    {
      "form": "velocity potentials",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "velocity potential (plural velocity potentials)",
      "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": "topical",
          "langcode": "en",
          "name": "Mechanics",
          "orig": "en:Mechanics",
          "parents": [
            "Physics",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A scalar potential function relating to the flow’s velocity distribution, defined as ϕ=∇⃑V"
      ],
      "id": "en-velocity_potential-en-noun-c-P9GKZS",
      "links": [
        [
          "fluid mechanics",
          "fluid mechanics"
        ],
        [
          "inviscid",
          "inviscid"
        ],
        [
          "irrotational",
          "irrotational"
        ]
      ],
      "qualifier": "fluid mechanics",
      "raw_glosses": [
        "(fluid mechanics, of an inviscid irrotational flow) A scalar potential function relating to the flow’s velocity distribution, defined as ϕ=∇⃑V"
      ],
      "raw_tags": [
        "of an inviscid irrotational flow"
      ]
    }
  ],
  "word": "velocity potential"
}

{
  "forms": [
    {
      "form": "velocity potentials",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "velocity potential (plural velocity potentials)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Mechanics"
      ],
      "glosses": [
        "A scalar potential function relating to the flow’s velocity distribution, defined as ϕ=∇⃑V"
      ],
      "links": [
        [
          "fluid mechanics",
          "fluid mechanics"
        ],
        [
          "inviscid",
          "inviscid"
        ],
        [
          "irrotational",
          "irrotational"
        ]
      ],
      "qualifier": "fluid mechanics",
      "raw_glosses": [
        "(fluid mechanics, of an inviscid irrotational flow) A scalar potential function relating to the flow’s velocity distribution, defined as ϕ=∇⃑V"
      ],
      "raw_tags": [
        "of an inviscid irrotational flow"
      ]
    }
  ],
  "word": "velocity potential"
}