| Acronym | Meaning |
 | PDT | Pacific Daylight [Saving] Time (UTC-7 Hours) |
| SARP | Search And Rescue Processor |
| LASER | Light Amplification By Stimulated Emission Of Radiation (cf. Maser) |
| DXA | Dual-energy X-ray Absorptiometry |
| WA | Walloon Language (ISO 639-1 Code) |
| ALTACS | Automated Decision Logic Tactical Air Combat Simulation |
| DART | Disaster Assistance Response Team - Dublin Area Rapid Transit |
| KT | Christmas Island (FIPS 10-4 Territory Code) -Knight Of The Order Of The Thistle - Knights Templar |
| CAE | Canadian Aviation Electronics (originally) - Certificate In Advanced English |
| DDS | Doctor Of Dental Surgery |
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