contourmap

noun
UK /ˈkɒntʊə mæp/
US /ˈkɑːntʊr mæp/

A contour map is a drawing that uses lines to show how high or low the land is.

The hikers used a contour map to see which side of the hill was steepest.


OTHER MEANINGS

2. A map on which lines connect points of equal value, such as height or temperature.

The weather report showed a contour map of air pressure across the region.

3. A chart using curved lines to show how a measurement changes across an area.

Engineers studied a contour map of the valley before building the bridge.

4. A visual way to show the shape of a surface using lines of equal height.

The science class made a contour map of a model volcano using stacked cardboard layers.