| Subject | English | Catalan |
| math. | direct correlation | correlació positiva |
| environ. | direct discharger Factories and industrial concerns which do not discharge their sewage directly into public sewers, but directly into a waterway | descàrrega directa |
| math. | direct probability | probabilitat directa |
| comp., MS | direct report | subordinat immediat (An employee who in the organizational hierarchy is immediately below the manager in question and who can either be a manager or an individual contributor) |
| math. | direct sampling | mostratge directe |
| math. | direct standardisation | estandardització directa |
| math. | direct standardization | estandardització directa |
| comp., MS | Remote Direct Memory Access | Accés remot directe a la memòria (A networking feature that lets one computer directly place information into the memory of another computer) |