| Subject | English | Spanish |
| math. | congruent line segments | segmentos congruentes |
| comp., MS | line segment | segmento de línea (A portion of a line, defined by its beginning and ending points) |
| el. | line segment | segmento de línea |
| math. | line segment | segmento de recta |
| math. | straight-line segment | segmento de recta |
| math. | straight-line segment | segmento de línea recta |