| Subject | English | Thesaurus |
| IT, abbr. | Connection Related Function Virtual Path | CRFVP (UPC, UNI) |
| IT, abbr. | Connection Related Function Virtual Path | CRF(VP) (UPC, UNI) |
| el., abbr. | Multi Function Actuator | MFA |
| abbr., scottish | Multi-Function Tanker Transport | MFTT |
| progr. | threshold function | Heaviside function (ssn) |
| phys., abbr. | Wigner Function Transport Equation | WFTE |
| IT, abbr. | Work Station Function | WSF (IN) |
| abbr., comp., net. | Work Station Function | WSF |