bas relief
low relief
basso relievo
basso rilievo

On a flat beach, surface areas will develop with a slightly lower relief than their surroundings.

Some of those combine both high and low relief.

Many of the stones have elaborate low relief, but some stone are simple obelisks.

It was a panel in low relief, for a church.

The remains were in low relief beneath the white cover, like a child's snow angel.

The room was also full of visitors that worked in high, medium or low relief.

This summit is of low relief but stands as a peak above the countryside.

A mineral may be referred to as having a low or high relief.

Below, a woman's face, in low relief, looking right, came faintly up from corrosion.

Swamps are features of areas with very low topographic relief.