| Acronym | Meaning |
| OAC | On Approved Credit |
| MIMAROPA | Mindoro |
| WACC | Weighted Average Cost Of Capital (accounting) |
| HMM | Hidden Markov Model |
| UPTN | Universal Personal Telecommunications Number - Upper Peninsula Telehealth Network |
| TTYL | Talk To You Later (Internet Slang) |
| BRDM | Boyevaya Razvedyvatelnaya Dosornaya Mashina (Russian ?????? ???????????????? ???????? ?????? |
| CWRU | Case Western Reserve University |
| AUSCANZUKUS | Australia |
| ROCV OR ROC | V -Recognition Of Combat Vehicles (rock-vee) |