| fluctuación | variazione |
| fluctuante | variabile |
| fluctuar | variare |
| fluente | fluente |
| fluida | fluente |
| fluidamente | fluidamente |
| fluidez | fluidità |
| fluidificación | fluidizzazione |
| fluido | fluente |
| Fluido eléctrico | Corrente elettrica |
| Fluido incompresible | Flusso incomprimibile |
| Fluido newtoniano | Fluido newtoniano |
| Fluido no-newtoniano | Fluido non newtoniano |
| Fluido supercrítico | Stato supercritico |
| fluir | scorrere |
| flujo | corrente |
| flujo bajo | magra |
| flujo de agente contaminante | flusso dell'inquinante |
| Flujo de caja | Flusso di cassa |
| flujo de dinero | cash flow |
| Flujo de lodo | Debris flow |
| Flujo de masa | Flusso di massa |
| Flujo laminar | Regime laminare |
| Flujo luminoso | Flusso luminoso |
| Flujo magnético | Flusso magnetico |
| Flujos de Fondos Descontados | Discounted cash flow |
| Flumenthal | Flumenthal |
| Fluminense Football Club | Fluminense Football Club |
| fluoración | fluorizzazione |
| fluorescencia | fluorescenza |
| Fluorescencia in situ hibridación | Fluorescent in situ hybridization |
| Fluorescencia X | Fluorescenza da raggi X |
| Fluorescent Multilayer Disc | Fluorescent Multilayer Disc |
| fluorescente | fluorescente |
| fluorina | fluorite |
| Fluorita | Fluorite |
| fluorizar | fluorizzare |
| Fluoroscopia | Fluoroscopia digitale |
| fluoruro | fluoruro |
| Fluoruro de litio | Fluoruro di litio |
| Fluoruro de potasio | Fluoruro di potassio |
| fluoxetina | fluoxetina |
| Flushed Away | Giù per il tubo |
| fluvial | fluviale |
| flux | abito |
| Fluxbox | Fluxbox |
| Fluxus | Fluxus |
| fluyente | fluente |
| fluídica | fluidica |
| Fluído supercrítico | Stato supercritico |
| Fly by Night | Fly by Night |
| Fly on the Wall | Fly on the Wall |
| Fly-by-wire | Fly-by-wire |
| Flyff | Flyff |
| Flying in a Blue Dream | Flying in a Blue Dream |
| Flysch | Flysch |
| Flyweight | Flyweight pattern |
| fláccido | cascante |
| flácido | debole |
| flámula | strale luminoso |
| Flávio Amado | Flávio Amado |
| Fläsch | Fläsch |
| Flórián Albert | Flórián Albert |
| flúor | fluoruro |
| Flüelen | Flüelen |
| Flühli | Flühli |
| FM | F.M. |
| FMS International | Fisichella Motor Sport |
| FN FAL | FN FAL |
| FN MAG | FN MAG |
| FNAC | Fnac |
| FNB Stadium | FNB Stadium |
| fobia | fobia |
