(Main list of acronyms)

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Q0–9

  • Q1 – (p) First Quarter
  • Q2 – (p) Second Quarter
  • Q3 – (p) Third Quarter
  • Q4 – (p) Fourth Quarter

QA

  • QA – (s) Qatar (FIPS 10-4 country code; ISO 3166 digram)
  • Qantas – (a) Queensland And Northern Territory Aerial Services
  • QAP – (a) Quadripartite Advisory Publication ("kwapp")
  • QAR – (s) Qatari rial (ISO 4217 currency code)
  • QAT – (s) Qatar (ISO 3166 trigram)

QB

  • QB – (p) Quarterback (football)

QC

  • QC – (i) Quality Control – (s) Québec (postal symbol) – (i) Queen's Counsel
  • QCA – (i) Qualifications and Curriculum Authority – Quality Council of Alberta
  • QCD – (i) Qualified Charitable Distribution - (p) Quantum ChromoDynamics

QD

  • QD – (i) quaque die (Latin, "daily")
  • QDOS – (p) Quick and Dirty Operating System ("cue-doss")
  • QDR – (i) Quadrennial Defense Review
  • QDRO – (a) Qualified domestic relations order ("quad-ro")

QE

  • QED – (p) quantum electrodynamics – (i) quid es demonstrata or quod erat demonstrandum (Latin, "that proves it" or "which was to be demonstrated")
  • QEH – (i) Queen Elizabeth's Hospital

QF

  • QFE – (i) Quoted For Emphasis – (s) Local ground level atmospheric pressure (aeronautical Q code)

QH

  • QHE (i) Quantum Heat Engine
  • QHP (s) Honorary Physician to the Queen

QI

  • QID – (i) (Latin, "four times daily")
  • QIP – (a) Quadrilateral Interoperability Programme (ancestor of MIP; "quip")

QK

  • QK – (s) Air Canada Jazz (IATA airline designator)

QL

  • QLD – (p) Queensland, (Australia) (postal symbol)

QM

  • QM – (i) Quality Management – Quantum Mechanics – Queen Mother

QN

  • QNH – (s) Regional mean sea level atmospheric pressure (aeronautical Q code)

QO

  • QOS (or QoS)
  • (i) Quality of service
  • Queen of the South F.C. (Scottish football team)

QP

  • QPR
  • (i) Quality-Price Ratio (wine evaluation term)
  • Queens Park Rangers F.C. (English football team)
  • QPS – (i) Quark Publishing System

QR

  • QR – (i) QR code – Quake Rally – Qualitative Reasoning – Queensland Rail – Queen's Rangers – Quick Release – Quiet Riot – (s) Qatar Airways (IATA airline designator)

QS

  • QS – (i) quantum sufficit (Latin, "as much as suffices")
  • QSCAT – (p) Quick Scatterometer satellite
  • QSL – (i) Québec Sign Language
  • QSO – (i) Quasi-Stellar Object
  • QSTAG – (p) Quadripartite Standardization Agreement ("cue-stag")

QT

  • QT – (i) Quentin Tarantino – QuickTime – QuikTrip – QT (cute) Software
  • QTE - Quick Time Event
  • QTT - (i) Qualified Treatment Trainee - in Wisconsin, a designation for a mental health provider in training as defined in DHS 35.03(17m)

QU

  • qu – (s) Quechua language (ISO 639-1 code)
  • Quango – (p) (British Commonwealth) QUasi Autonomous Non-Governmental Organisation
  • Quasar – (p) Quasi-stellar radio source
  • QUB – (i) Queen's University Belfast
  • QUC – (i) Queens University of Charlotte
  • que – (s) Quechua language (ISO 639-2 code)
  • QUIET – (p) Q and U Imaging ExperimenT (Q and U are the Stokes parameters of the CMBR polarization)

QV

  • qv – (i) quod vide (Latin "which see")
  • QVC – (i) "Quality, Value, Convenience" (home shopping channel)

QW

  • QWG – (i) Quadripartite Working Group ("qwig")
  • QWGAOR – (i) Quadripartite Working Group on Army Operational Research ("qwig-a-o-r")

QX

  • QX - (i) Quality of Experience

QZ

  • QZ – (s) Awair (IATA airline designator)