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A region of space that contains no matter.
- The Wards are open-topped, with skyscrapers rising from the superstructure. Towers are sealed against vacuum, as the breathable atmosphere envelope is only maintained to a height of about seven meters. The atmosphere is contained by the cen
- 2
The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, such as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.
- a vacuum of 26 inches of mercury, or 13 pounds per square inch
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Ellipsis of vacuum cleaner.abbreviationalt-ofcolloquial
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A spacetime having tensors of zero magnitude.
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A ground state of a quantum field or of local spacetime, or more abstractly the lowest-energy state of a system.
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A ground state of a quantum field or of local spacetime, or more abstractly the lowest-energy state of a system.; A description of spacetime resulting from a particular compactification of spatial dimensions.
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An emptiness in life created by a loss of a person who was close, or of an occupation.
- Henrietta soon found a terrible vacuum left, by the letters in which she used to pour forth every feeling and thought to her uncle.
- 8
An exercise in which one draws their abdomen towards the spine.
- Abs show up in a most-muscular shot, a vacuum shot, the hands-behind-head compulsory ab shot, twisting poses, and so on.
- Right I'm off to practice my vacuum - suck in those stomachs now!
syn. vacuum state