What is "partial vacuum"

Usage examples of "partial vacuum".

This creates a partial vacuum in the smoke box, which in turn elicits the draft which fans the flames in the firebox.

The same result can be obtained if you take a liquid at atmospheric pressure, and put it into a partial vacuum.

Air rushed in through the hole to fill the partial vacuum created as it rose, and I stuck my face into the stream and breathed greedily.

The hole had closed, but even now the atmosphere had not flowed in to fill the partial vacuum.

As the impellers pressurized the column to raise the cage in which Kelly rode, they drew a partial vacuum in the other column to drag the cage down from hub level.

If two masses of air move toward each other to fill a partial vacuum, one moving north and the other south, their residual velocities will carry them past each other.

She flowed over the hole, formed a partial vacuum and sucked the capsule back up.

However, as soon as the gas in your car's fill-up pipe gets high enough to cover the end of the tube, a partial vacuum is created therein, which yanks on the diaphragm, releases the main valve, and shuts off the gas.

This creates a partial vacuum in the smoke box, which helps to draw in the air.

A second later cooler air flowed across him in the opposite direction toward the partial vacuum, causing a brief moment of turbulence.

Although why anyone would want things cooler, he had no idea, and he didnt even want to guess how a situation could draw something in by creating a partial vacuum.

Her eyes narrowed at the distorted bulkheads in the starboard hull, as she recognized the signs of a partial vacuum decompression.

It is being used because a new facility in Robot City is producing a strong partial vacuum as a side effect, Utilizing this side effect constitutes an efficient use of energy.

They had pumped out quite a bit of the air, made it a partial vacuum, and packed frozen carbon dioxide around the receptacle.