QID

Abbreviation of Latin quater / quattuor in diē.

QID (not comparable)

1. (pharmacology) Four times a day.

   Coordinate terms: BID, TID

   • 1951 January, Gordon W. Reynolds, “The Female Urethra and Chronic Urethritis”, in Northwest Medicine, volume 50, number 1, Portland, Ore.: Northwest Medical Publishing Association, page 34:

     Dilatation of this type “irons out the folds” of the urethra, giving better drainage of the paraurethral glands, stimulating circulation and promoting rapid healing, especially when small doses (7½ gr. q.i.d.) of one of the triple-sulfonamides are given as an adjunct.

• q.i.d.

The Wikidata Q prefix is from Uzbek Qamarniso.[1]

QID (plural QIDs)

1. (Wikimedia jargon) Initialism of Q-identifier, a unique identifier for an item in Wikidata. [from 2012]
   • [2019 February 18, Tom Simonite, “Inside the Alexa-Friendly World of Wikidata”, in Wired‎, →ISSN:

     Inside the bot-friendly world of Wikidata, every concept and thing is represented with a numeric code dubbed a QID.]

   • 2019 September, Christian Lieske, Felix Sasaki, “Wikidata gets wordier”, in MultiLingual‎:

     Within the Unicode consortium, a discussion has been started to use the Wikidata numbering system (“QID”) to create a system of emoji encoding that lies outside core Unicode regulation […]

2. (databases) Initialism of quasi-identifier.
   • 2020, Joaquin Garcia-Alfaro, Guillermo Navarro-Arribas, Jordi Herrera-Joancomarti, editors, Data Privacy Management, Cryptocurrencies and Blockchain Technology […] , Springer Nature, →ISBN, page 36:

     Due to the absence of unique entity identifiers across different databases, it is required to use the commonly available quasi-identifiers (QIDs), such as names and addresses, for linking records from those databases.

3. (computer security) Initialism of Qualys identifier.

Abbreviation

the QID

1. (chess) Initialism of Queen's Indian Defence.