Sekirov Dictionary

vacuum

/ˈvæ.kjuːm/

noun 8
verb 3
forms 5
phrases 1

noun8

a space with nothing at all in it, not even air
•
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
Ellipsis of vacuum cleaner.
•
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. — 1837
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.
•
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. — 1985
A spacetime having tensors of zero magnitude.

verb3

•
To clean (something) with a vacuum cleaner.
- “Who in the world cleans an attic? That's like vacuuming a shed.” — 2016
To use a vacuum cleaner.
To optimise a database or database table by physically removing deleted tuples.

forms

vacuumed · vacuuming · vacuums · vacua · vacuä

Phrases with vacuum

nature abhors a vacuum
Generating a vacuum is impossible (a vacuum can never exist) owing to the inherent nature of the universe.

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