"psi function" meaning in English

{
  "forms": [
    {
      "form": "psi functions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "psi function (plural psi functions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Functions",
          "orig": "en:Functions",
          "parents": [
            "Algebra",
            "Calculus",
            "Geometry",
            "Mathematical analysis",
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A function of a complex variable obtained by differentiating the logarithm of a gamma function; the digamma function"
      ],
      "id": "en-psi_function-en-noun-rWvuH5QO",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "complex",
          "complex"
        ],
        [
          "variable",
          "variable"
        ],
        [
          "differentiating",
          "differentiating"
        ],
        [
          "logarithm",
          "logarithm"
        ],
        [
          "gamma function",
          "gamma function"
        ],
        [
          "digamma function",
          "digamma function"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A function of a complex variable obtained by differentiating the logarithm of a gamma function; the digamma function"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "40 60",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "41 59",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "39 61",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "The Schrödinger wave function"
      ],
      "id": "en-psi_function-en-noun-5VESAmT0",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "Schrödinger wave function",
          "Schrödinger wave function"
        ]
      ],
      "raw_glosses": [
        "(physics) The Schrödinger wave function"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "psi function"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "psi functions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "psi function (plural psi functions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Functions",
        "en:Mathematics"
      ],
      "glosses": [
        "A function of a complex variable obtained by differentiating the logarithm of a gamma function; the digamma function"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "complex",
          "complex"
        ],
        [
          "variable",
          "variable"
        ],
        [
          "differentiating",
          "differentiating"
        ],
        [
          "logarithm",
          "logarithm"
        ],
        [
          "gamma function",
          "gamma function"
        ],
        [
          "digamma function",
          "digamma function"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A function of a complex variable obtained by differentiating the logarithm of a gamma function; the digamma function"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    },
    {
      "categories": [
        "en:Physics"
      ],
      "glosses": [
        "The Schrödinger wave function"
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "Schrödinger wave function",
          "Schrödinger wave function"
        ]
      ],
      "raw_glosses": [
        "(physics) The Schrödinger wave function"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "psi function"
}