SMS Chat and Text
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| MCA | Maritime And Coastguard Agency | - | SMS Chat and Text |
| MCS | Marine Conservation Society | - | SMS Chat and Text |
| MDL | No Decompression Limit | - | SMS Chat and Text |
| MDT | Maximum Dive Time | - | SMS Chat and Text |
| MOD | Maximum Operating Depth | - | SMS Chat and Text |
| MSD | Master SCUBA Diver (PADI) | - | SMS Chat and Text |
| MSDT | Master SCUBA Diver Trainer (PADI) | - | SMS Chat and Text |