| Acronym | Meaning |
| TTTEAF | Thomas The Tank Engine And Friends |
| ISSCR | International Society For Stem Cell Research |
| SPOE | Sea Port Of Embarkation |
| PICNIC | Problem In Chair Not In Computer |
| LOA | Limit Of Advance |
| HO | Holmium |
| UWTG | Under Water Tug |
| PASR | Personnel Accounting And Strength Reporting |
| BMI | Body Mass Index - Broadcast Music Incorporated |
| PZ | Panama Canal Zone (ISO 3166 Digram; Obsolete 1980) -Pickup Zone |