These are materials designed to respond to changes in their environments.

In the past, a book was enough; now teachers expect tests and other materials designed to document what students are learning.

Get materials designed to develop the skills and knowledge of all Head Start staff.

The batter's eye wall itself was covered in a black material designed to reduce glare.

This information helps to design new drugs and materials.

The challenge in designing and using materials is how to delay the moment of ultimate failure.

Recently I observed a kindergarten, watching as children worked with materials designed to improve their math skills.

Products that claim to repair damaged hair are simply materials designed to cover the damage.

Beneath the shell are materials designed to absorb the impact of a fall or blow.

The seats are made of Comfortweave, a synthetic material designed to let air in and out.