| N/S | normal saline [solution] |
|---|---|
| NSS | normal saline solution; normal size and shape; not statistically significant; nutrition support serv... |
| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
| pH-stat | apparatus for maintaining the pH of a solution |
| PhyS | physiologic saline [solution] |