vacuum

nouns

the absence of matter
vacuity, vacuum
an empty area or space
"the huge desert voids"; "the emptiness of outer space"; "without their support he'll be ruling in a vacuum"
emptiness, vacancy, vacuum, void
a region that is devoid of matter
vacuity, vacuum
an electrical home appliance that cleans by suction
vacuum, vacuum cleaner

verbs

clean with a vacuum cleaner
"vacuum the carpets"
hoover, vacuum, vacuum-clean