| EOR | European Organization for Research; exclusive operating room |
|---|---|
| GOR | gastroesophageal reflux; general operating room |
| MS-DOS | Microsoft Disk Operating System |
| NOS | network operating system; nitric oxide synthetase; non-organ-specific; not on staff; not otherwise s... |
| ONP | operating nursing procedure; orthonitrophenyl |
| operating rooms | Facilities equipped for performing surgery. (12 Dec 1998) |
|---|---|
| operating room technicians | Specially trained personnel to assist in routine technical procedures in the operating room. (12 Dec 1998) |
| operating table | A table on which the patient lies during a surgical operation. (05 Mar 2000) |