space the unlimited expanse in which everything is located; "they tested his ability to locate objects in space"; "the boundless regions of the infinite"
Verb
vacuum -
clean with a vacuum cleaner; "vacuum the carpets"
make clean,
clean remove unwanted substances from, such as feathers or pits; "Clean the turkey"
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= antonym
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Wiktionary
Verb
vacuum -
To clean something with a vacuum cleaner.
vacuum -
To use a vacuum cleaner.
Wikipedia
In everyday usage, vacuum is a volume of space that is essentially empty of matter, such that its gaseous pressure is much less than atmospheric pressure. The word comes from the Latin term for "empty". Even putting aside the complexities of the quantum vacuum, the classical notion of a perfect vacuum with gaseous pressure of exactly zero is only a philosophical concept and is never observed in practice.
OmegaWiki Dictionary
Ω
vacuum (physics) A volume of space that is substansively empty of matter.
vacuum To clean (something) with a vacuum cleaner.