Vacuumnoun
A region of space that contains no matter.
Vacuumnoun
(plural only "vacuums") A vacuum cleaner.
Vacuumnoun
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.
Vacuumnoun
(physics) A spacetime having tensors of zero magnitude
Vacuumverb
(transitive) To clean (something) with a vacuum cleaner.
Vacuumverb
(intransitive) To use a vacuum cleaner.
Vacuumverb
To optimise a database or database table by physically removing deleted tuples.
Vacuumnoun
A space entirely devoid of matter (called also, by way of distinction, absolute vacuum); hence, in a more general sense, a space, as the interior of a closed vessel, which has been exhausted to a high or the highest degree by an air pump or other artificial means; as, water boils at a reduced temperature in a vacuum.
Vacuumnoun
The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.; as, a vacuum of 26 inches of mercury, or 13 pounds per square inch.
Vacuumnoun
the absence of matter
Vacuumnoun
an empty area or space;
Vacuumnoun
a region empty of matter
Vacuumnoun
an electrical home appliance that cleans by suction
Vacuumverb
clean with a vacuum cleaner;
Vacuum
A vacuum is a space devoid of matter. The word is derived from the Latin adjective vacuus for or .
Vacumenoun
misspelling of vacuum