| Subject | English | Polish |
| chem. | C30 | beta-apo-8'-karotenal |
| comp., MS | C corporation | korporacja C (An United States tax law designation given to any corporation that is a unique entity apart from and taxed separately from its owners) |
| IT | C4I | walka informacyjna |
| chem. | C.I. 50040 | czerwień obojętna |
| gen. | c.o. | c/h |
| fin. | C-rated | rating "subprime" |
| environ., energ.ind. | C0sub2sub intensity | intensywność emisji dwutlenku węgla |
| gen. | C0sub2sub intensity | intensywność emisji |
| gen. | C0sub2sub intensity | intensywność emisji COsub2sub |
| agric., sugar. | C sugar | cukier C |
| comp., MS | C++ template | szablon C++ (A template that enables you to define a family of functions or classes that can operate on different types of information) |
| med. | C-5 vertebra | kręg c5 |
| vac.tub. | c.w. magnetron | magnetron o fali ciągłej |
| gen. | CS gas | gaz łzawiący |