| Subject | English | Norwegian Bokmål |
| comp., MS | accounts payable three-way invoice matching | treveis fakturaavstemming for leverandør (A practice of matching vendor invoice prices and product quantities to purchase orders and product receipts) |
| math. | Bock's three component model | Bock tre komponent modell |
| math. | cubic designs with three associate classes | kubikk design med tre knytte klasser |
| pwr.lines. | three-conductor bundle | tripleksline |
| math. | three-dimensional lattice | tredimensjonal lattis |
| comp., MS | three-factor authentication | godkjenning med tre faktorer (An authentication method that requires three authentication methods, which may include something the user provides, such as certificates; something the user knows, such as user names, passwords, or pass phrases; physical attributes, such as a thumbprint; and personal attributes, such as a personal signature) |
| bot. | three-flowered rush | trillingsiv (Juncus triglumis L.) |
| bot. | three-leaved rush | rabbesiv (Juncus trifidus L.) |
| bot. | three-nerved sandwort | maurarve (Moehringia trinervia (L.) Clairv.; Arenaria trinervia L.) |
| cables | three-phase concentric neutral cable | trefasekabel med konsentrisk nøytralleder |
| transf. | three-phase earthing transformer | jordingstransformator |
| el., sec.sys. | three-phase reclosing equipment | automatikk for trepolet gjeninnkobling |
| el., sec.sys. | three-phase reclosing equipment with synchrocheck | automatikk for trepolet gjeninnkobling med synkroniseringskontroll |
| el., sec.sys. | three-pole reclosing equipment | automatikk for trepolet gjeninnkobling |
| el., sec.sys. | three-pole reclosing equipment with synchrocheck | automatikk for trepolet gjeninnkobling med synkroniseringskontroll |
| gen. | three-room | treroms |
| comp., MS | three-way handshake | treveis håndtrykk (The method for initializing a Transmission Control Protocol (TCP) session between two hosts on an Internet Protocol (IP) network. The three-way handshake synchronizes the sequence number and acknowledgment numbers of the two hosts establishing a connection, exchanges TCP window sizes, and exchanges other TCP options, such as the maximum segment size) |
| comp., MS | three-way matching policy | treveis kontrollpolicy (A matching policy that requires one or more vendor invoice prices to match with one or more purchase order prices and that requires one or more vendor invoice quantities to match with one or more product receipt quantities) |
| gen. | three-year | treårig |