| Subject | English | Polish |
| comp., MS | triangle cap | trójkątne zakończenie (For paths that contain unconnected ends, the end of the stroke that is extended to taper to a point) |
| construct. | triangle misclosure | odchyłka zamknięcia trójkąta |
| ed. | triangle of knowledge | trójkąt wiedzy |
| comp., MS | triangle strip | pas trójkątów (A sequence of triangles in which adjacent triangles share an edge. The first three vertices define the first triangle, and each subsequent vertex defines a new triangle using that point along with two vertices from the previous triangle in the sequence) |
| math. | triangle test | test trójkątny |
| build.struct. | wooden triangle nailed to stair string | wspornik (konstrukcji drewnianej) |