"phase factor" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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          "orig": "en:Quantum mechanics",
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      "glosses": [
        "A normalized complex number, considered as, say, the scalar coefficient of a ket."
      ],
      "id": "en-phase_factor-en-noun-BFl3toVe",
      "links": [
        [
          "quantum mechanics",
          "quantum mechanics"
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        [
          "normalized",
          "normalized"
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        [
          "complex number",
          "complex number"
        ],
        [
          "scalar",
          "scalar"
        ],
        [
          "coefficient",
          "coefficient"
        ],
        [
          "ket",
          "ket"
        ]
      ],
      "qualifier": "quantum mechanics",
      "raw_glosses": [
        "(quantum mechanics) A normalized complex number, considered as, say, the scalar coefficient of a ket."
      ],
      "wikipedia": [
        "phase factor"
      ]
    }
  ],
  "word": "phase factor"
}

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    {
      "form": "phase factors",
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  "lang_code": "en",
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      "glosses": [
        "A normalized complex number, considered as, say, the scalar coefficient of a ket."
      ],
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          "quantum mechanics",
          "quantum mechanics"
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          "normalized",
          "normalized"
        ],
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          "complex number",
          "complex number"
        ],
        [
          "scalar",
          "scalar"
        ],
        [
          "coefficient",
          "coefficient"
        ],
        [
          "ket",
          "ket"
        ]
      ],
      "qualifier": "quantum mechanics",
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        "(quantum mechanics) A normalized complex number, considered as, say, the scalar coefficient of a ket."
      ],
      "wikipedia": [
        "phase factor"
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  "word": "phase factor"
}