a space that is completely empty of all substances, including all air or other gas. Extra Examples Other gases rush in to fill the vacuum.

a space that is completely empty of all substances, including all air or other gas; a vacuum pump (= one that creates a vacuum); vacuum-packed foods.

​vacuum (something) to clean something using a vacuum cleaner synonym hoover. Have you vacuumed the stairs? Topics Houses and homesb2.

to clean something using a vacuum cleaner Have you vacuumed the stairs? Want to learn more? Find out which words work together and produce more natural-sounding ...

There are seven meanings listed in OED's entry for the noun vacuum. See 'Meaning & use' for definitions, usage, and quotation evidence.

an electrical machine that cleans floors, carpets, etc. by sucking up dirt and dustTopics Houses and homesb2. Want to learn more?

an electric machine that cleans floors, carpets, etc. by sucking up dirt and dust.

Definition of vacuum bottle noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, ...

​a container like a bottle with double walls with a vacuum between them, used for keeping liquids hot or cold compare Thermos. Want to learn more?

a space without any gas or other matter in it, or a space from which most of the air or gas has been removed:.