"nabla" meaning in English

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        "3": "נֵ֤בֶל"
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      "name": "der"
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  "etymology_text": "From Hebrew נֵ֤בֶל.",
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  "pos": "noun",
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      "glosses": [
        "A Hebrew stringed instrument."
      ],
      "id": "en-nabla-en-noun-9braSmx8",
      "links": [
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          "Hebrew",
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          "stringed instrument",
          "stringed instrument"
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      "synonyms": [
        {
          "_dis1": "93 7",
          "english": "possibly the same instrument",
          "sense": "instrument",
          "tags": [
            "obsolete"
          ],
          "word": "nebel"
        }
      ],
      "translations": [
        {
          "_dis1": "93 7",
          "code": "ca",
          "lang": "Catalan",
          "sense": "instrument",
          "tags": [
            "masculine"
          ],
          "word": "nabla"
        },
        {
          "_dis1": "93 7",
          "code": "fi",
          "lang": "Finnish",
          "sense": "instrument",
          "word": "nabla"
        }
      ]
    },
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          "name": "Mathematical analysis",
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        "The symbol ∇, used to denote the gradient operator."
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      "links": [
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          "mathematical analysis",
          "mathematical analysis"
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        [
          "∇",
          "∇"
        ],
        [
          "gradient",
          "gradient"
        ]
      ],
      "raw_glosses": [
        "(mathematical analysis) The symbol ∇, used to denote the gradient operator."
      ],
      "topics": [
        "mathematical-analysis",
        "mathematics",
        "sciences"
      ],
      "translations": [
        {
          "_dis1": "0 100",
          "code": "ca",
          "lang": "Catalan",
          "sense": "symbol",
          "tags": [
            "masculine"
          ],
          "word": "nabla"
        },
        {
          "_dis1": "0 100",
          "code": "fi",
          "lang": "Finnish",
          "sense": "symbol",
          "word": "nabla"
        },
        {
          "_dis1": "0 100",
          "code": "de",
          "lang": "German",
          "sense": "symbol",
          "tags": [
            "neuter"
          ],
          "word": "Nabla"
        },
        {
          "_dis1": "0 100",
          "code": "pt",
          "lang": "Portuguese",
          "sense": "symbol",
          "tags": [
            "masculine"
          ],
          "word": "nabla"
        },
        {
          "_dis1": "0 100",
          "code": "ru",
          "lang": "Russian",
          "roman": "nabla",
          "sense": "symbol",
          "word": "набла"
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      ]
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  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "tags": [
        "symbol"
      ],
      "word": "atled"
    },
    {
      "_dis1": "0 0",
      "tags": [
        "symbol"
      ],
      "word": "del"
    }
  ],
  "word": "nabla"
}

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  ],
  "etymology_text": "From Hebrew נֵ֤בֶל.",
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      "form": "nablas",
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          "∇",
          "∇"
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          "gradient",
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        "(mathematical analysis) The symbol ∇, used to denote the gradient operator."
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  ],
  "synonyms": [
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      "word": "nebel"
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      ],
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    {
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        "symbol"
      ],
      "word": "del"
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  ],
  "translations": [
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "instrument",
      "tags": [
        "masculine"
      ],
      "word": "nabla"
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      "lang": "Finnish",
      "sense": "instrument",
      "word": "nabla"
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      "tags": [
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      "word": "nabla"
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    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "symbol",
      "word": "nabla"
    },
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      "code": "de",
      "lang": "German",
      "sense": "symbol",
      "tags": [
        "neuter"
      ],
      "word": "Nabla"
    },
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      "lang": "Portuguese",
      "sense": "symbol",
      "tags": [
        "masculine"
      ],
      "word": "nabla"
    },
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      "code": "ru",
      "lang": "Russian",
      "roman": "nabla",
      "sense": "symbol",
      "word": "набла"
    }
  ],
  "word": "nabla"
}