Only the rapid aging of the children, and the gradual extinction of the native life-forms, marked the passage of time.

And the knowledge of Haad could save us from gradual extinction.

This ban led to the gradual extinction of a line of specially trained mahouts or phandis.

Nowadays," he continued with an air of triumph, "you simply notice the gradual extinction of the desire, and never know why.

And it may be a symptom - perhaps, too, a cause - of a much larger, more dispiriting phenomenon, the gradual extinction of the musical-theater star.

The strategy of the anti-slavery forces was to stop the expansion and thus put slavery on a path to gradual extinction.

The Republican Party wanted to achieve the gradual extinction of slavery by market forces, for its members believed that free labor was superior to slave labor.

What I experienced was rather a gradual mental extinction.

Slow, gradual extinction is one thing, instantaneous extinction is another.

There are some 5,000 "minority languages" worldwide, Joe told us; language death is the phenomenon of their gradual extinction.