| Subject | English | Czech |
| comp., MS | triangle cap | trojúhelníkové zakončení (For paths that contain unconnected ends, the end of the stroke that is extended to taper to a point) |
| construct. | triangle misclosure | závěrová odchylka trojúhelníku |
| ed. | triangle of knowledge | znalostní trojúhelník |
| ed. | triangle of knowledge | trojúhelník znalostí |
| comp., MS | triangle strip | trojúhelníkový pás (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) |
| build.struct. | wooden triangle nailed to stair string | pobijecí lať |