Vacuum (Noun)
Meaning 1
The absence of matter.
Classification
Nouns denoting natural processes.
Examples
- In the depths of space, a near-vacuum existed with very few particles per cubic meter.
- The lab created a vacuum in the container by pumping out the air with a pump.
- Outer space is not a perfect vacuum, as it still contains a few atoms and subatomic particles per cubic meter.
- A region of low air pressure, a partial vacuum, was created inside the wing, causing the lift to increase.
- Scientists often refer to a perfect vacuum as an idealized concept, since it is impossible to create a region completely devoid of matter.
Synonyms
Meaning 2
An empty area or space; "the huge desert voids"; "the emptiness of outer space"; "without their support he'll be ruling in a vacuum".
Classification
Nouns denoting two and three dimensional shapes.
Synonyms
Hypernyms
Meaning 3
A region that is devoid of matter.
Classification
Nouns denoting spatial position.
Synonyms
Hypernyms
Meaning 4
An electrical home appliance that cleans by suction.
Classification
Nouns denoting man-made objects.