| kBq | kilobecquerel |
|---|---|
| KBS | Kluver-Bucy syndrome |
| KC | cathodal closing; keratoconus; keratoconjunctivitis; knee-to-chest; Kupffer cell |
| kC | kilocoulomb |
| kc | kilocycle |
| kc/s | kilocycles per second |
| KCal, Kcal, kcal | kilocalorie |
| KCC | cathodal closing contraction; Kulchitzky cell carcinoma |
| KCCT | kaolin-cephalin clotting time |
| KCF | key clinical finding |