"d" meaning in Chinese

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "yue",
        "2": "en",
        "3": "differentiate",
        "4": "differentiate"
      },
      "expansion": "English differentiate",
      "name": "der"
    },
    {
      "args": {
        "1": "d",
        "2": "1"
      },
      "expansion": "d",
      "name": "str left"
    },
    {
      "args": {
        "1": "mul",
        "2": "1"
      },
      "expansion": "m",
      "name": "str left"
    },
    {
      "args": {
        "1": "mul"
      },
      "expansion": "Translingual",
      "name": "langname-lite"
    },
    {
      "args": {
        "1": "d",
        "2": "1"
      },
      "expansion": "d",
      "name": "str left"
    },
    {
      "args": {
        "1": "mul",
        "2": "d"
      },
      "expansion": "d",
      "name": "l-lite"
    }
  ],
  "etymology_text": "From English differentiate or the differentiation symbol d.",
  "head_templates": [
    {
      "args": {
        "1": "zh",
        "2": "verb"
      },
      "expansion": "d",
      "name": "head"
    }
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Cantonese terms with collocations",
          "parents": [
            "Terms with collocations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Hong Kong Cantonese",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "zh",
          "name": "Mathematics",
          "orig": "zh:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Chinese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "kind": "other",
          "name": "Chinese terms written in foreign scripts",
          "parents": [
            "Terms written in foreign scripts",
            "Terms by orthographic property",
            "Terms by lexical property"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "d唔到 [Hong Kong Cantonese] ― di¹ m⁴ dou³⁻² [Jyutping] ― nondifferentiable"
        },
        {
          "text": "d兩次／d两次 [Hong Kong Cantonese] ― di¹ loeng⁵ ci³ [Jyutping] ― to take the second derivative (literally, “to differentiate twice”)"
        }
      ],
      "glosses": [
        "to differentiate"
      ],
      "id": "en-d-zh-verb-sJh4cEzv",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "differentiate",
          "differentiate"
        ]
      ],
      "raw_glosses": [
        "(Hong Kong Cantonese, mathematics) to differentiate"
      ],
      "related": [
        {
          "alt": "in1",
          "english": "to integrate",
          "word": "in"
        },
        {
          "word": "D"
        }
      ],
      "tags": [
        "Cantonese",
        "Hong-Kong"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Cantonese",
        "Jyutping"
      ],
      "zh-pron": "di¹"
    },
    {
      "tags": [
        "Cantonese",
        "Yale"
      ],
      "zh-pron": "dī"
    },
    {
      "tags": [
        "Cantonese",
        "Pinyin"
      ],
      "zh-pron": "di¹"
    },
    {
      "tags": [
        "Cantonese",
        "Guangdong-Romanization"
      ],
      "zh-pron": "di¹"
    },
    {
      "ipa": "/tiː⁵⁵/",
      "tags": [
        "Cantonese",
        "Sinological-IPA"
      ]
    },
    {
      "ipa": "/tiː⁵⁵/"
    }
  ],
  "word": "d"
}

{
  "categories": [
    "Chinese entries with incorrect language header",
    "Chinese lemmas",
    "Chinese terms with IPA pronunciation",
    "Chinese terms written in foreign scripts",
    "Chinese verbs",
    "Pages using lite templates",
    "Pages with raw sortkeys"
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "soft-redirect",
  "redirects": [
    "啲"
  ],
  "word": "d"
}

{
  "categories": [
    "Chinese entries with incorrect language header",
    "Chinese lemmas",
    "Chinese terms with IPA pronunciation",
    "Chinese terms written in foreign scripts",
    "Chinese verbs",
    "Pages using lite templates",
    "Pages with raw sortkeys"
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "yue",
        "2": "en",
        "3": "differentiate",
        "4": "differentiate"
      },
      "expansion": "English differentiate",
      "name": "der"
    },
    {
      "args": {
        "1": "d",
        "2": "1"
      },
      "expansion": "d",
      "name": "str left"
    },
    {
      "args": {
        "1": "mul",
        "2": "1"
      },
      "expansion": "m",
      "name": "str left"
    },
    {
      "args": {
        "1": "mul"
      },
      "expansion": "Translingual",
      "name": "langname-lite"
    },
    {
      "args": {
        "1": "d",
        "2": "1"
      },
      "expansion": "d",
      "name": "str left"
    },
    {
      "args": {
        "1": "mul",
        "2": "d"
      },
      "expansion": "d",
      "name": "l-lite"
    }
  ],
  "etymology_text": "From English differentiate or the differentiation symbol d.",
  "head_templates": [
    {
      "args": {
        "1": "zh",
        "2": "verb"
      },
      "expansion": "d",
      "name": "head"
    }
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "verb",
  "related": [
    {
      "alt": "in1",
      "english": "to integrate",
      "word": "in"
    },
    {
      "word": "D"
    }
  ],
  "senses": [
    {
      "categories": [
        "Cantonese terms with collocations",
        "Hong Kong Cantonese",
        "zh:Mathematics"
      ],
      "examples": [
        {
          "text": "d唔到 [Hong Kong Cantonese] ― di¹ m⁴ dou³⁻² [Jyutping] ― nondifferentiable"
        },
        {
          "text": "d兩次／d两次 [Hong Kong Cantonese] ― di¹ loeng⁵ ci³ [Jyutping] ― to take the second derivative (literally, “to differentiate twice”)"
        }
      ],
      "glosses": [
        "to differentiate"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "differentiate",
          "differentiate"
        ]
      ],
      "raw_glosses": [
        "(Hong Kong Cantonese, mathematics) to differentiate"
      ],
      "tags": [
        "Cantonese",
        "Hong-Kong"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Cantonese",
        "Jyutping"
      ],
      "zh-pron": "di¹"
    },
    {
      "tags": [
        "Cantonese",
        "Yale"
      ],
      "zh-pron": "dī"
    },
    {
      "tags": [
        "Cantonese",
        "Pinyin"
      ],
      "zh-pron": "di¹"
    },
    {
      "tags": [
        "Cantonese",
        "Guangdong-Romanization"
      ],
      "zh-pron": "di¹"
    },
    {
      "ipa": "/tiː⁵⁵/",
      "tags": [
        "Cantonese",
        "Sinological-IPA"
      ]
    },
    {
      "ipa": "/tiː⁵⁵/"
    }
  ],
  "word": "d"
}

{
  "called_from": "pronunciations/296/20230324",
  "msg": "Zh-pron header not found in zh_pron_tags or tags: '(Standard Cantonese, Guangzhou–Hong Kong)⁺'",
  "path": [
    "d"
  ],
  "section": "Chinese",
  "subsection": "",
  "title": "d",
  "trace": ""
}

{
  "called_from": "wiktionary/179/20240425",
  "msg": "d/Chinese/soft-redirect: missing \"senses\" in data (must have at least one sense, add empty sense with \"no-gloss\" tag if none otherwise available): {\"categories\": [\"Chinese entries with incorrect language header\", \"Chinese lemmas\", \"Chinese terms with IPA pronunciation\", \"Chinese terms written in foreign scripts\", \"Chinese verbs\", \"Pages using lite templates\", \"Pages with raw sortkeys\"], \"lang\": \"Chinese\", \"lang_code\": \"zh\", \"pos\": \"soft-redirect\", \"redirects\": [\"啲\"], \"word\": \"d\"}",
  "path": [],
  "section": "Chinese",
  "subsection": "soft-redirect",
  "title": "d",
  "trace": ""
}