| Kw | dissociation constant of water |
|---|---|
| LCS | cerebrospinal fluid [Lat. liquor cerebrospinalis]; left coronary sinus; life care service; low const... |
| NA | Avogadro constant or number; nalidixic acid; Narcotics Anonymous; network administrator; neuraminida... |
| NaERC | sodium efflux rate constant |
| pK | negative logarithm of the dissociation constant; plasma potassium |