[rek-tl-in-ee-er] 
| 1. | forming a straight line. |
| 2. | formed by straight lines. |
| 3. | characterized by straight lines. |
| 4. | moving in a straight line. |
| rec·ti·lin·e·ar (rěk'tə-lĭn'ē-ər) adj. Moving in, consisting of, bounded by, or characterized by a straight line or lines: following a rectilinear path; rectilinear patterns in wallpaper. [From Late Latin rēctilīneus : Latin rēctus, right; see reg- in Indo-European roots + Latin līnea, line; see line1.] rec'ti·lin'e·ar·ly adv. |
tlˈɪn