It is the time duration of your looking, in seconds.

Also a measure of the time duration when the switch is open.

There is no limitations on time duration for both markets.

Unemployment benefits were also increased, together with the duration of time in which one could receive them.

Adults usually show personality patterns over a long duration of time.

What difference did the duration of time make, anyway?

Which is the best lodging accommodations in the city for this duration of time?

Perhaps it was established for some fixed duration of time.

And is truth or falsehood to be determined by duration of time?

The phases repeat until a time duration or a distance is completed.