Word Games Pro Dictionary
vacuum
noun
verb
A region of space that contains no matter.
Quick reference
Word Facts
- Word length
- 6
- Starts with
- V
- Ends with
- M
- Contains
- ACUU
- Scrabble score
- 13
- Database source
- OEWN 2025 Core
How it sounds
Pronunciation
/ˈvæ.kjuː.əm/
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Audio Pronunciation
Meaning
Definitions
noun
A region of space that contains no matter.
(plural only "vacuums") A vacuum cleaner.
The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, such as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.
“a vacuum of 26 inches of mercury, or 13 pounds per square inch”
A spacetime having tensors of zero magnitude
verb
To clean (something) with a vacuum cleaner.
To use a vacuum cleaner.
To optimise a database or database table by physically removing deleted tuples.
In context
Example Sentences
a vacuum of 26 inches of mercury, or 13 pounds per square inch
Similar words
Synonyms
Opposite words