| K-convexity | kecembungan K | NIAGA |
| minor of order k | minor peringkat k | NIAGA |
| K-class estimator | penganggar kelas K | EKO |
| K-out-of-N structure | struktur K daripada N | NIAGA |
| K-out-of-N constraint | kekangan K daripada N | NIAGA |
| K-Erlang service distribution | taburan perkhidmatan K-Erlang | NIAGA |
| K-Erlang arrival distribution | taburan ketibaan K-Erlang | NIAGA |
| dishonesty, disappearance and destruction insurance (3-D policy) | insurans kemusnahan, kelenyapan dan ketidakjujuran (polisi 3-K) | INS |