terrainmodel

noun
UK /ˈtɛreɪn ˈmɒdəl/
US /təˈreɪn ˈmɑːdəl/

A small copy of hills and land that you can look at or touch.

The museum had a terrain model of the mountains so visitors could see how tall they were.


OTHER MEANINGS

2. A computer-made 3D picture of the ground used in games and planning.

The game designers built a terrain model of the island before adding trees and rivers.

3. A physical model of land used by soldiers or planners to study an area.

The engineers studied a terrain model of the valley before building the bridge.

4. A simplified representation of surface features used in science and engineering.

Scientists used a terrain model to predict where rainwater would flow.