Isoheight refers to a line on a topographical map that shows a constant elevation. However, there are different ways to express this term. Some synonyms for isoheight include contour line, level line, elevation line, and altitude line. These alternative terms indicate a path or line of equal height on a map, and they are often used in geological studies, architectural plans, and outdoor recreation. Other related words include topographic map, relief map, and elevation map. Regardless of the terminology used, understanding the elevation and contours of terrain is crucial for many activities, such as hiking, exploring, and scientific research.