They are gray-green in color due to a thin to dense layer of hairs.

At 21 m there is a dense layer of fine sand which provides good support for piles and foundations.

Within a day, the floor was covered in dense layers of clothes, which made me crabby.

The leaves are completely covered with a dense layer of long silvery hairs.

Six inches below the surface she had encountered a dense layer of clay.

Indeed, the oceans can reasonably be viewed as just a rather damp, dense layer of the atmosphere.

His production technique is notable for its dense layers of sound.

The scientists are foiled by an extremely dense layer of material at the boundary between the two.

The queens are covered in a dense layer of hairs.