vacuum — OET · Shobdo

vacuum

noun

1 the experiment has to be conducted in a vacuum:

empty space, emptiness, void, nothingness, vacuity, vacancy;

rare voidness, nihility.

2 his exit would leave a power vacuum:

gap, space, absence, lack, deficiency, blank, lacuna.

▷antonyms continuity.

3 if you just clear your bits off the floor I can get round with the vacuum:

vacuum cleaner;

British, informal vac;

trademark Hoover.

verb

the carpets must be vacuumed:

vacuum-clean;

British hoover.

vacuum Oxford Dictionary of English