| gt | drop [Lat. gutta] |
|---|---|
| HWB | hot water bottle |
| IR | drop of voltage across a resistor produced by a current; ileal resection; immune response; immunizat... |
| OD | Doctor of Optometry; obtained absorbance; occipital dysplasia; occupational dermatitis; occupational... |
| WB | waist belt; washable base; washed bladder; water bottle; Wechsler-Bellevue [Scale]; weight-bearing; ... |