So strong, he thought, stroking the rigid shell.

An explosive charge is contained within a rigid shell scored so that it breaks into small fragments propelled at high speed.

Not only does a traditional laptop's metal frame form a rigid shell, but most of its internal components are bulky and rigid, too.

His rigid shell crashed hard against the floor.

The organ most at risk is the brain, being enclosed within a rigid bony shell.

The rigid outer shell still imposes a maximum girth but may be able to accommodate many smaller girths inside.

The ricochet thumped him on the hip, and he shied violently inside the suddenly rigid shell.

The plastic-faced man touched his face, the rigid shell that was now his face.

In the boxfishes, the plates are all fused together to form a rigid shell enclosing the entire body.

Some pencil cases have a hard and rigid shell encasing the pens inside while others use a softer material such as plastic, leather, or cotton.