| Acronym | Meaning |
 | ACO | Airspace Control Order |
 | ACK | Acknowledge (telecommunications; Cf. NAK) |
 | CANOLA | Canadian Oil |
 | DY | Dysprosium |
 | RCMP | Royal Canadian Mounted Police |
 | PDQ | Pre-Defined Queries (Siebel Packages) - Pretty Damn Quick |
 | USAPATRIOT | Uniting And Strengthening America By Providing Appropriate Tools Required To Intercept And Obstruct Terrorism |
 | USC | United States Code - University Of South Carolina - University Of Southern California |
 | TIC | Troops In Contact |
 | VDMOS | Vertical Double-diffused MOS Transistor (vee-dee-moss) |