Qid

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.

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

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 […]

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.