vacuum

/ˈvæ.kjuː.əm/ · noun

Meaning

A region of space that contains no matter.
(plural only "vacuums") A vacuum cleaner.
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 spacetime having tensors of zero magnitude
To clean (something) with a vacuum cleaner.
To use a vacuum cleaner.
To optimise a database or database table by physically removing deleted tuples.

No prose etymology has been added yet.

No ancestor words have been linked yet.

No descendant words have been linked yet.