SpellRight › Spelling
Moderatevacuum
The correct spelling is vacuum.
How to pronounce vacuum
/ˈvæ.kjuː.əm/
nounIPA: /ˈvæ.kjuː.əm/
Say it like: Vac-uum
The correct spelling is vacuum. A region of space that contains no matter. For example: "a vacuum of 26 inches of mercury, or 13 pounds per square inch"
Usage Examples
“a vacuum of 26 inches of mercury, or 13 pounds per square inch”
Meanings
noun
- 1.A region of space that contains no matter.
- 2.(plural only "vacuums") A vacuum cleaner.
- 3.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.
- 4.A spacetime having tensors of zero magnitude
verb
- 1.To clean (something) with a vacuum cleaner.
- 2.To use a vacuum cleaner.
- 3.To optimise a database or database table by physically removing deleted tuples.
Similar words
Words related in meaning — check their spelling too.