VACUUM
-noun
1. a region containing no matter; free space -
2. a region in which gas is present at a low pressure
3. the degree of exhaustion of gas within an enclosed space
4. a sense or feeling of emptiness
5. short for vacuum cleaner
6. (modifier) of, containing, measuring, producing, or
operated by a low gas pressure
-verb
7. to clean (something) with a vacuum cleaner
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