| 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 |
| KAAS | Keele assessment of auditory style |
| KABC | Kaufman Assessment Battery for Children |
| KAF | conglutinogen-activating factor; killer-assisting factor; kinase activating factor |