"QD" meaning in English

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "quāquē"
      },
      "expansion": "Latin quāquē",
      "name": "uder"
    }
  ],
  "etymology_text": "From Latin quāquē diē.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "QD (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Pharmacology",
          "orig": "en:Pharmacology",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English undefined derivations",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "once per day"
      ],
      "id": "en-QD-en-adv-~iFIj9g1",
      "links": [
        [
          "pharmacology",
          "pharmacology"
        ],
        [
          "once",
          "once"
        ],
        [
          "day",
          "day"
        ]
      ],
      "raw_glosses": [
        "(pharmacology) once per day"
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "medicine",
        "pharmacology",
        "sciences"
      ]
    }
  ],
  "word": "QD"
}

{
  "etymology_number": 2,
  "forms": [
    {
      "form": "QDs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "QD (plural QDs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "quantum dot"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Nanotechnology",
          "orig": "en:Nanotechnology",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "22 78",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "34 66",
          "kind": "other",
          "name": "English words spelled without vowels",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "14 86",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "10 90",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "derived": [
        {
          "word": "QD-OLED"
        }
      ],
      "glosses": [
        "Initialism of quantum dot."
      ],
      "id": "en-QD-en-noun-WK7c9W-P",
      "links": [
        [
          "nanotechnology",
          "nanotechnology"
        ],
        [
          "quantum dot",
          "quantum dot#English"
        ]
      ],
      "raw_glosses": [
        "(nanotechnology) Initialism of quantum dot."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "topics": [
        "engineering",
        "nanotechnology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "QD"
}

{
  "categories": [
    "English adverbs",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English proscribed terms",
    "English terms derived from Latin",
    "English uncomparable adverbs",
    "English undefined derivations",
    "English words spelled without vowels",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "quāquē"
      },
      "expansion": "Latin quāquē",
      "name": "uder"
    }
  ],
  "etymology_text": "From Latin quāquē diē.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "QD (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "en:Pharmacology"
      ],
      "glosses": [
        "once per day"
      ],
      "links": [
        [
          "pharmacology",
          "pharmacology"
        ],
        [
          "once",
          "once"
        ],
        [
          "day",
          "day"
        ]
      ],
      "raw_glosses": [
        "(pharmacology) once per day"
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "medicine",
        "pharmacology",
        "sciences"
      ]
    }
  ],
  "word": "QD"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English proscribed terms",
    "English words spelled without vowels",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "derived": [
    {
      "word": "QD-OLED"
    }
  ],
  "etymology_number": 2,
  "forms": [
    {
      "form": "QDs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "QD (plural QDs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "quantum dot"
        }
      ],
      "categories": [
        "English initialisms",
        "en:Nanotechnology"
      ],
      "glosses": [
        "Initialism of quantum dot."
      ],
      "links": [
        [
          "nanotechnology",
          "nanotechnology"
        ],
        [
          "quantum dot",
          "quantum dot#English"
        ]
      ],
      "raw_glosses": [
        "(nanotechnology) Initialism of quantum dot."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "topics": [
        "engineering",
        "nanotechnology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "QD"
}