Almost everybody in the Grove used the market at least once a week; it had for many the double function of suppliers and meeting place.

Having Vree on his shoulder instead of his wrist served a double function.

A single apparatus is therefore used at each end, performing the double function of transmitter and receiver.

It is noteworthy that this building always had a double function, the other part housed the equipment of the fire brigade.

This was the first time he had admitted the double function of the fire.

It is often a long shot and can sometimes perform a double function as an establishing shot.

Thus, the cell appears to have a double function of both receiving and emitting sound.

This instrument, however, might perhaps have been emblematic of his double functions.

The man at the switch had performed a double function.

Used with verbs, the prefix has a double function.