| Acronym | Definition |
|---|
| FCX➣Freeport-McMoran Copper & Gold Inc (stock symbol) |
| FCX➣French Connexion (gaming site) |
| FCX➣Fuel Cell Power |
| FCX➣Final Cut Express (Apple software) |
| FCX➣Fire Coordination Exercise |
| FCX➣Fuel Cell Experiment (Honda) |
| FCX➣Fire Control Exercise |