| Acronym | Meaning |
 | LW | Lawrencium (obsolete 1963) |
| FLET | Forward Line Of Enemy Troops |
| UIC | University Of Illinois At Chicago |
| OS | Osmium |
| PICNIC | Problem In Chair Not In Computer |
| WDWR | Walt Disney World Resort |
| ISIS | Institute For Science And International Security |
| THAAD | Theatre High Altitude Area Defence |
| NUL | Null Character (ASCII Code Of Control Character) - National Urban League |
| 4GL | Fourth-generation Programming Language |
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