| ROC | receiver operating characteristic; receptor-operated channels; relative operating characteristic; resident on call; residual organic carbon |
|---|---|
| ROCF | Rey-Osterrieth Complex Figure |
| rOEF | regional oxygen extraction fraction |
| roent | roentgenology |
| ROESY | rotating frame Overhauser effect spectroscopy |
| ROH | rat ovarian hyperemia [test] |
| ROI | reactive oxygen intermediate; region of interest; right occipitolateral [fetal position] |
| ROIH | right oblique inguinal hernia |
| ROJM | range of joint motion |
| ROM | 1) Range Of Motion; 운동범위 2) Rupture Of amniotic Membrane |