| R-W | Rideal-Walker [coefficient] |
|---|---|
| SJ | Jaccard coefficient |
| t | Greek lower case letter tau; life [of radioisotope]; relaxation time; shear stress; spectral transmi... |
| WRC | washed red cells; water retention coefficient |
| CMV | 1) Cyto-Megalo-Virus Presents 1. M... |