| Acronym | Meaning |
 | K/T | Cretaceous/Tertiary Boundary |
| TLATOJL | The Life And Times Of Juniper Lee |
| DIS | Defence Intelligence Staff - (U.S.) Defense Investigative Service - Distributed Interactive Simulation - Draft International Standard (ISO) |
| OR | Oriya Language (ISO 639-1 Code) |
| FZRA | Freezing Rain (METAR Code) |
| HP | IL -Hewlett-Packard Interface Loop (serial Bus Used With Some HP Calculators And Computers |
| WFC | Women's Forage Corps (WWII UK) |
| ISEF | Intel International Science And Engineering Fair |
| RCS | Radar Cross-Section - Revision Control System - Reaction Control System |
| CPA | Certified Public Accountant |
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