| Subject | English | Polish |
| IT | backbone network | sieć szkieletowa |
| comp., MS | backbone router | router szkieletowy (In Open Shortest Path First (OSPF), a router that is connected to the backbone area. This includes routers that are connected to more than one area (area border routers (ABRs)). However, backbone routers do not have to be ABRs. Routers that have all networks connected to the backbone are internal routers) |
| chem. | isocyanuric backbone structure | rdzeniowa struktura izocyjanorowa |
| chem. | isophthalic backbone structure | rdzeniowa struktura izoftalowa |
| gen. | not to have backbone | nie mieć kręgosłupa |
| agric. | spinal backbone | grzbietowy |
| chem. | trimesic backbone structure | rdzeniowa struktura trimestyczna |
| chem. | trimethyladipic backbone structure | rdzeniowa struktura trimetyloadypowa |