| QR | quality review; quantity is correct [Lat. quantum rectum]; quieting response; quinaldine red |
|---|---|
| qr | quadriradial; quantity is correct [Lat. quantum rectum]; quarter |
| qs | as much as will suffice [Lat. quantum sufficit]; sufficient quantity [Lat. quantum satis] |
| qt | quantity; quart; quiet |
| quant | quantity, quantitative |