| Subject | Italian | English |
| law, agric., tech. | antica struttura agraria con lunghi campi aperti "open field" | open field |
| IT | assistenza "Open Hospital" | open hospital care |
| hobby, transp. | biglietto di ritorno-open jaw | open-jaw ticket |
| textile | canale di uscita della turbina open-end | yarn doffing tube of OE rotor |
| textile | cilindro rompitore alla turbina open- end | opening roller |
| gen. | conformità a Open Systems | open systems-conformity |
| textile | filatura open end | open end spinning |
| textile | filatura open end | break spinning |
| comp., MS | file Open Software Descriptor | Open Software Descriptor file (An XML-based file that instructs the client on how to retrieve the sequenced application from the Application Virtualization Management/Streaming Server and how to run the sequenced application in its virtual environment) |
| textile | filo open-end | open-end spun yarn |
| comp., MS | formati Office Open XML | Office Open XML formats (An international open standard for word-processing documents, presentations, and spreadsheets that can be freely implemented across multiple applications and platforms) |
| comp., MS | formati Open XML | Open XML formats (An international open standard for word-processing documents, presentations, and spreadsheets that can be freely implemented across multiple applications and platforms) |
| environ., chem., UN | gruppo di lavoro Open Ended | Open-Ended Working Group |
| industr., construct. | gruppo pneumatico con programmatore elettronico per la produzione di filati fiammati e fantasia su filatoio ad anelli,Open End,carda a divisore. | slubbing microprocessor |
| gen. | Open Archives Initiative | Open Archives Initiative |
| gen. | open bar | host bar |
| gen. | open bar | sponsored bar |
| gen. | open bar | open bar |
| insur. | open cover | open-cover |
| IT | Open Data | open data |
| IT, engl. | Open Data Base Connectivity | Open Data Base Connectivity |
| commun., IT | open database connectivity | open database connectivity |
| engl. | Open Diagnostic Data Exchange | Open Diagnostic Data Exchange |
| ed. | Open Education | open education |
| commun., engl. | Open Network Architecture | Open Network Architecture |
| commun., IT | open network architecture | open network architecture |
| transp. | "open pool" | open pool |
| automat. | "open shop" | open shop |
| comp., MS | Open Shortest Path First | open shortest path first (A routing protocol for Internet Protocol (IP) networks. OSPF allows a router to calculate the shortest path to each node for sending messages. The router sends information on the nodes it is linked to, called link-state advertisements, to other routers on the network to accumulate link-state information to make its calculations) |
| IT | Open Software Foundation | Open Software Foundation |
| IT | open source | open source |
| IT | Open Systems Foundation | Open Software Foundation |
| comp., MS | Open Systems Interconnection | Open Systems Interconnection model (A networking model introduced by the International Organization for Standardization (ISO) to promote multi-vendor interoperability. OSI is a seven-layered conceptual model consisting of the application, presentation, session, transport, network, data-link, and physical layers) |
| econ. | software open source/a codice sorgente aperto | open source software |
| textile | stoffa filata open-end | ravelling |
| textile | telaio per filatura open end | open end spinning machine |
| health., anim.husb. | test dell'open field | open field testing |
| health., anim.husb. | test dell'open field | open field test |
| textile | torsione del filo nella filatura open end | open end twisting |
| immigr. | Visa Inquiry Open Border Network | Visa Inquiry Open-Border Network |
| immigr. | Visa Inquiry Open Border Network | Schengen Consultation Network |