the difference in elevation represented by each contour line on a topographic map.
the difference in altitude represented by the space between two contour lines on a map
any of the spaces between vertical lines on a topographic map or globe; the difference in elevation such an interval represents
Small contour intervals are used for flat areas; larger intervals are used for mountainous terrain.
noun 1. a line joining points of equal elevation on a surface. 2. the representation of such a line on a map. 3. Mathematics. a line parallel to a trace. Compare 1 (def 11). noun 1. a line on a map or chart joining points of equal height or depth Often shortened to contour contour […]
noun 1. a topographic map on which the shape of the land surface is shown by contour lines, the relative spacing of the lines indicating the relative slope of the surface. noun See topographic map contour map A map that shows elevations above sea level and surface features of the land by means of contour […]
- Contour ploughing
noun 1. ploughing following the contours of the land, to minimize the effects of erosion
noun 1. a bed sheet designed to fit snugly over a mattress or the like, often having elastic material to hold down the corners.