| O2 | both eyes; diatomic oxygen; molecular oxygen |
|---|---|
| s | Greek lower case letter sigma; conductivity; cross section; millisecond; molecular type or bond; pop... |
| UHMW | ultrahigh molecular weight |
| ML | molecular layer |
|---|---|
| MWCO | molecular weight cut-off |
| MWD | molecular weight distribution |
| OML | outer molecular layer |