Doubled

Thanks to the technological innovation, the maximum output of the factory has doubled.

By the year 2020, the population of our city will have doubled.

I doubled up with a stranger that night.

In the play she doubled the parts of a maid and shop girl.

In the course of the past year, prices have doubled.

I doubled over with laughter.

Two pictures were doubled.

By the year 2020, the population of this city will have doubled.

The population has doubled in the last five years.

The population of the world is increasing so rapidly that it will be doubled within forty years.