When he called on God to preserve Syria's rulers, the volume diminished considerably.

Measured in bits and bytes, the sheer volume of spam may not have diminished.

This position is not universally accepted - banks create money by making loans, but the aggregate volume of these loans diminishes as real interest rates increase.

The volume diminished sharply.

Its volume diminished by half since the first measurements in 1851.

Watch for now," the quadra-ped said, his volume diminishing to a near whisper.

But the volume has diminished dramatically in response to a public outcry.

That volume has diminished, but the landfill could still hold at least 10 more years' worth of garbage.

Annette heard the volume of his voice diminish as he addressed the occupant of the right seat.

They used to be an important article of trade but the volumes exported have diminished over the years.