But with the passage of time and the weight of water and sediment pressing down, it gradually solidified into layers of rock thousands of feet thick.

He also led a campaign into Scotland, but from these conquests he was recalled by the Emperor Domitian, and the border gradually solidified along the line of the Stanegate in Northern England.

The band layered its music by ear, not by preconception, so Indian melodies were supported by Western chords, and meditations could gradually solidify into marches.

Ngyugen shot him an uncertain look that gradually solidified into outrage.

I was aware of it, at first, solely because the monkey at the threshold of the dining room began to resolve out of the blackness, the way an image gradually solidifies on Polaroid film.

The fronts solidified gradually along what came to be known as the Line of Control.

The stools gradually solidify as they move along into the descending colon.

American forces gradually solidified this defensive position on the southeast side of the Korean peninsula, dubbed the "Pusan Perimeter".

Alan Slobodin, a lawyer with the Washington Legal Foundation, a conservative policy organization, said that while the Court was "not always predictable, the conservative wing is gradually solidifying."

He had been staring out over the ranges while suspicions gradually solidified within him.