"scalar curl" meaning in English

{
  "etymology_text": "From scalar + curl.",
  "forms": [
    {
      "form": "scalar curls",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "scalar curl (plural scalar curls)",
      "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": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Since the curl of the vector field #x5C;vec#x7B;F#x7D;#x3D;(xy,xy,0) is the vector field #x5C;vec#x7B;#x5C;nabla#x7D;#x5C;times#x5C;vec#x7B;F#x7D;#x3D;(0,0,y-x), the scalar curl of the vector field #x5C;vec#x7B;G#x7D;#x3D;(xy,xy) is the scalar field y-x#x5C;#x3B;.",
          "type": "example"
        }
      ],
      "glosses": [
        "The coefficient of k in the three-dimensional curl of a two-dimensional vector field."
      ],
      "id": "en-scalar_curl-en-noun-nAKDZ-Ti",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "curl",
          "curl"
        ],
        [
          "vector field",
          "vector field"
        ]
      ],
      "raw_glosses": [
        "(mathematics) The coefficient of k in the three-dimensional curl of a two-dimensional vector field."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "scalar curl"
}

{
  "etymology_text": "From scalar + curl.",
  "forms": [
    {
      "form": "scalar curls",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "scalar curl (plural scalar curls)",
      "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",
        "English terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Mathematics"
      ],
      "examples": [
        {
          "text": "Since the curl of the vector field #x5C;vec#x7B;F#x7D;#x3D;(xy,xy,0) is the vector field #x5C;vec#x7B;#x5C;nabla#x7D;#x5C;times#x5C;vec#x7B;F#x7D;#x3D;(0,0,y-x), the scalar curl of the vector field #x5C;vec#x7B;G#x7D;#x3D;(xy,xy) is the scalar field y-x#x5C;#x3B;.",
          "type": "example"
        }
      ],
      "glosses": [
        "The coefficient of k in the three-dimensional curl of a two-dimensional vector field."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "curl",
          "curl"
        ],
        [
          "vector field",
          "vector field"
        ]
      ],
      "raw_glosses": [
        "(mathematics) The coefficient of k in the three-dimensional curl of a two-dimensional vector field."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "scalar curl"
}