Vacuum (noun)

1. A space completely devoid of matter.
2. A state of emptiness or lack of matter.
3. An electrical device that uses suction to clean floors, carpets, etc.
4. A space or container from which the air has been removed so as to create a partial vacuum.

Origin:

Late 16th century: from latin vacuus "empty".

Examples:

1. The vacuum of space is an absolute void.
2. A vacuum was created in the bottle when air was pumped out of it.
3. She used the vacuum to clean the carpets.
4. A vacuum cleaner sucks up dirt from the floor.
5. The vacuum in the flask will cause the boiling point of liquids inside it to drop.