| HAZWOPER | Hazardous Waste Operation and Emergency Response [of OSHA] |
|---|---|
| OP | occipitoparietal; occipitoposterior; occiput posterior; octapeptide; olfactory peduncle; opening pre... |
| op | operation; operator |
| SPOOL | simultaneous peripheral operation on-line |
| Ag | antigen; silver [Lat. argentum] |