There was a slight concavity where the grenade had exploded.

The job had been artfully performed: the slight concavities made no perceptible dent.

Thicker edgebanding requires a slight concavity to provide a tight glue line.

Maintaining an arch (a slight concavity) in the spine for a healthy lower back.

They are bordered by a slight concavity of the whorl or margination.

It uses an air pulse to deform the cornea into a slight concavity.

The main unit of the Xbox 360 itself has slight double concavity in matte white or black.

The line of division was pushing a slight concavity across the middle into the still bright portion of the red sun.

There was also a slight rise in the other direction, so that the road to the ford ran down the center of a slight concavity.

He pressed the ball of his right thumb hard against the slight concavity designed to accept the pressure and the capsule opened.