| IRD | infantile Refsum syndrome; isorhythmic dissociation |
|---|---|
| Kd | dissociation constant; distribution coefficient; partition coefficient |
| Kw | dissociation constant of water |
| ODC | oritidine decarboxylase; ornithine decarboxylase; oxygen dissociation curve |
| pK | negative logarithm of the dissociation constant; plasma potassium |