All day the light has been muted behind opaque clouds, and now it is late afternoon.

The disturbance became an opaque cloud with projections, in the shape of a model castle.

The young girl hit her fogger, spraying a thick, opaque cloud of gas.

Tiaan caught another brief glimpse of the pass, then they were in opaque cloud again.

You weren't aware of the sky, just a thick layer of opaque cloud.

The radar showed their chaff as an opaque cloud that enveloped the ship.

Water rained down on him, and the entire vault chamber was instantly filled with an opaque cloud.

Air hissed out, and saliva, forming an opaque cloud.

Centuries if not millennia later, the planet is entirely covered in a thick, opaque cloud layer.

An opaque cloud of vapor coalesced in front of them, and gradually took on solid form.

The sky was still shrouded in opaque clouds, and being unable to see the stars made theEnterprise seem even farther away.

Because of the planet's opaque cloud cover, there had been no way to tell, from space, what the enemy base looked like or how big it was.

An opaque cloud of black, featureless, untextured, taller than a man, a nullity with a voice.

Before them the head of the calm gulf is filled on most days of the year by a great body of motionless and opaque clouds.

The night was dark, with heavy opaque clouds, but it was the warmest of the three nights the away team had spent on Lorca.

High-altitude clouds on Neptune have been observed casting shadows on the opaque cloud deck below.

For a moment their eyes and nostrils were stopped with darkness and opaque cloud; then the darkness warmed into a kind of brown fog.

After some forty minutes of this the entire room was thick with smog, and a great opaque cloud of it hung swirling over the workbench.

The blue-white opaque clouds were lit by bright blue flares along the outermost edges, where energy discharged into normal space.

Joachim displayed a long-range scan of their course, showing the Enterprise and the great opaque cloud of the nebula ahead.

Each ship carried two-barreled guns fore and aft, and a single smokestack put forth an opaque cloud.

The opaque cloud of silt that hid the shredded remains of the Prosperteer was slowly carried away by a weak bottom current.

This time he belched, spreading a milky opaque cloud that encased first the knight and his charger, then the ogre.

But for Cassius the opaque cloud meant total loss of contact with what was going on now that the swamp battle had gone all Antony's way.

Because Venus is eternally covered by opaque clouds, people were free to devise all kinds of theories about its surface and the living beings it might support.