The region bounded by them is called "the margin".

All solutions must be within this region, bounded in red in the figure.

Only one of those points is in the region bounded by this contour.

A parabolic segment is the region bounded by a parabola and line.

Now they were in the region of forgetfulness, bounded on the other side by the River Lethe.

The regions bounded by the curves represent conditions where a single phase is stable.

But any combination will do; for example, a background seed stitch in the regions bounded by cables often looks striking.

Semicircle: a region bounded by a diameter and an arc lying between the diameter's endpoints.

Thus, anywhere inside the region bounded by our two isohappiness curves, we are both happier.

Let Ω be a region bounded by a simple closed curve.