| Acronym | Meaning |
 | SVG | Scalable Vector Graphics |
| IRL | Ireland (ISO 3166 Trigram) - Industrial Research Limited |
| PDF | Panama[nian] Defense Forces (abolished 1990) - Portable Document Format - Principal Direction Of Fire |
| TGIF | Thank God It's Friday |
| DFID | UK Department For International Development |
| QSTAG | Quadripartite Standardization Agreement (cue-stag) |
| LTD | Limited |
| PTFE | PolyTetraFluoroEthylene |
| POETS | Portable Occultation |
| STR | Short Tandem Repeat (DNA Analysis) |
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