| K/A | ketogenic/antiketogenic ratio |
|---|---|
| K1 | phylloquinone |
| K24H | potassium, urinary 24-hour |
| Ka | Kallikrein |
| KA | alkaline phosphatase; kainic acid; keratoacanthoma; keto acid; ketoacidosis; King-Armstrong [unit] |
| Ka | cathode |
| Ka | acid ionization constant |
| kA | kiloampere |
| ka | cathode |
| KAAD | kerosene, alcohol, acetic acid, and dioxane |