Craig Shere, an analyst at Calyon Securities, attributed this excitement to the "dark spread," or the widening difference between coal and natural gas prices over the last year.

The clouds broke apart, and sunlight appeared through the breaks in long, narrow streamers that played across the dark green spread of the Parma Key.

Clean dark spread or "dark green spread" refers to an analogous indicator for coal-fired generation of electricity.

Climate spread: The difference between the dark green spread and the spark green spread is known as the "Climate Spread".

The wizard screamed as the dark spread and enfolded him.

But the carpet was freshly vacuumed and the dark blue spread on one of the two queen-size beds was turned down each night.

Is it now unacceptably cliched, in referring to a film's divisive qualities, to refer to a certain dark salty spread?

It was merely a dark spread, punctured by many lights, a mirroring of the starlit sky.

Brin's eyes lifted to scan the dark spread of the forests below, still misted in the half-light of the harsh autumn day.

Then all at once she felt herself released, and watched in wonder as the lovely young girl moved easily to the bed and lay down on the dark spread.