We found 83 abbreviations with UNKNOWN in the meaning.
| # | AbbreviationAbbr. | Meaning |
|---|---|---|
| 1 | UNK. | Unknown |
| 2 | U | Unknown |
| 3 | UNKN | Unknown |
| 4 | UNK | Unknown |
| 5 | UN | Unknown |
| 6 | UKN | Unknown |
| 7 | UK | Unknown |
| 8 | X | Unknown |
| 9 | NU | Name Unknown |
| 10 | CU | Cause unknown |
| 11 | UF | Unknown factor |
| 12 | DU | Density unknown |
| 13 | ARUNK | Arrival Unknown |
| 14 | UE | Unknown etiology |
| 15 | EU | Etiology unknown |