| BTPS | at body temperature and ambient pressure, and saturated with water vapor [gas] |
|---|---|
| PH2O | partial pressure of water vapor |
| STPD | a volume of gas at standard temperature and pressure that contains no water vapor |
| vap | vapor |
| VD | vapor density; vascular disease; vasodilation, vasodilator; venereal disease; venous dilatation; ven... |