| ATPS | ambient temperature and pressure, saturated |
|---|---|
| BBT | basal body temperature |
| BT | base of tongue; bedtime; bitemporal; bitrochanteric; bladder tumor; Blalock-Taussig [shunt]; bleedin... |
| BTM | benign tertian malaria; body or blood temperature monitor |
| BTPS | at body temperature and ambient pressure, and saturated with water vapor [gas] |