Matt held a sample of the gray substance in his hand.

For awhile the grey substance only managed to move a few inches or so out of the hole.

It fell away to expose the gray substance, but she did not stop chopping.

The clear cups filled not with water but with a thick, gray substance.

It was made of a smooth, gray substance that showed no sign of age.

Rudy took the screwdriver, put the point against the face of the gray substance, and leaned into it.

She felt composed of the grey substance too.

The gray substance widened into a ring fastened to the ground, congealing in place.

Lawrence picked up a tall vertical cylinder, the lower third of which was filled with an amorphous gray substance.

Garden paths in the future, he noted, were made of some gritty grey substance which was amazingly like cracked concrete.

And here," her fingers mounded the gray substance into a range of peaks, "here are the mountains.

They also carry two wooden barrels, one containing shrimps and other a viscuous grey substance.

He sat down cross-legged on the deck and began to ladle an irregularly gray substance into three bowls.

(b) fibers which cross in the anterior white commissure from the gray substance of the opposite side.

As it had so many years ago, a corridor appeared before him, composed of the featureless gray substance of the Overworld.

And in the gray substance of the vault door were the paler gray shapes of my fingers.

The great base of the central cone was fringed with a rubbery, grey substance which moved the whole entity through expansion and contraction.

Two of the children proceed to cement the shrimp around the base of the ambergris using the grey substance to bind it.

There was a wide belt of some gray substance about her waist, secured at the front by a piece of cord threaded through the ends.

The walls were made of a gray substance unknown to her, and her voice sounded flat and hollow to her ears.

Fully excavated, the kiva reveals itself as anomalous in having no sipapu but rather a blind window made out of a curious gray substance.

The inside of the charcoal gray zida stone is said to contain a milky gray substance with a highly hallucinogenic solution.

The long or medullary arteries pass through the grey substance and penetrate the subjacent white substance to the depth of 3-4 cm.

Weston stared at the gray substance, with its minute sparkles, as if expecting the powder to come to life and spell Tormeon's name along the table cloth.

The thalamus consists chiefly of gray substance, but its upper surface is covered by a layer of white substance, named the stratum zonale.