411 REFERENCE · Wiktionary
QD
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
QD qd qd. Q&D
English
Etymology 1
From en la quāquē la diē.
Adverb
-
en pharmacology once per day
Usage notes
The use of en QD on handwritten prescriptions, orders and the like is proscribed and indeed forbidden by some hospitals in favor of en Q Day or en daily, so as to avoid dangerous confusion with the handwritten en QID ("four times per day").
Etymology 2
Noun
en nanotechnology en quantum dot.
Derived terms
en QD-OLED
Anagrams
en dq DQ
en proscribed terms