| WB | waist belt; washable base; washed bladder; water bottle; Wechsler-Bellevue [Scale]; weight-bearing; ... |
|---|---|
| XL | excess lactate; X-linked [inheritance]; xylose-lysine [agar base] |
| YCB | yeast carbon base |
| YNB | yeast nitrogen base |
| αHBs | Antibody against Hepatitis B surface Antigen |