[ 'vakjʊəm ]
■ noun ( plural ~s or vacua -jʊə )
1》 a space entirely devoid of matter.
↘a space or container from which the air has been completely or partly removed.
2》 a gap left by the loss or departure of someone or something important.
3》 ( plural ~s ) a ~ cleaner.
■ verb clean with a ~ cleaner.
Phrases
in a ~ in isolation from the normal context.
Origin
C16: mod. L., neut. of L. vacuus 'empty'.