"Dirac" meaning in English

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        "3": "Adiraco"
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  "etymology_text": "From the French surname Dirac, probably from the French town by that name in Charente, from Medieval Latin Adiraco, Dyracum, from a Gallo-Roman name, Latin Atirius (a derivative of Atilius), or alternatively a Frankish/Germanic name *Adarus, in either case with the common Gallo-Roman nominal suffix -acum.",
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  "lang_code": "en",
  "pos": "name",
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      "derived": [
        {
          "word": "Dirac comb"
        },
        {
          "word": "Dirac delta function"
        },
        {
          "word": "Dirac equation"
        },
        {
          "word": "Dirac fermion"
        },
        {
          "word": "Dirac field"
        },
        {
          "word": "Dirac Hamiltonian"
        },
        {
          "word": "Dirac monopole"
        },
        {
          "word": "Dirac notation"
        },
        {
          "word": "Dirac particle"
        },
        {
          "word": "Dirac point"
        },
        {
          "word": "Dirac wave function"
        },
        {
          "word": "Fermi-Dirac distribution"
        },
        {
          "word": "Fermi-Dirac statistics"
        },
        {
          "word": "Kapitza-Dirac effect"
        }
      ],
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        "A surname from French."
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          "word": "Paul Dirac"
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      "ipa": "/dɪˈræk/"
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  "word": "Dirac"
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  "derived": [
    {
      "word": "Dirac comb"
    },
    {
      "word": "Dirac delta function"
    },
    {
      "word": "Dirac equation"
    },
    {
      "word": "Dirac fermion"
    },
    {
      "word": "Dirac field"
    },
    {
      "word": "Dirac Hamiltonian"
    },
    {
      "word": "Dirac monopole"
    },
    {
      "word": "Dirac notation"
    },
    {
      "word": "Dirac particle"
    },
    {
      "word": "Dirac point"
    },
    {
      "word": "Dirac wave function"
    },
    {
      "word": "Fermi-Dirac distribution"
    },
    {
      "word": "Fermi-Dirac statistics"
    },
    {
      "word": "Kapitza-Dirac effect"
    }
  ],
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        "3": "Adiraco"
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    {
      "args": {
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  "etymology_text": "From the French surname Dirac, probably from the French town by that name in Charente, from Medieval Latin Adiraco, Dyracum, from a Gallo-Roman name, Latin Atirius (a derivative of Atilius), or alternatively a Frankish/Germanic name *Adarus, in either case with the common Gallo-Roman nominal suffix -acum.",
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