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1. Dictionary

   Vac·u·um

   /ˈvakˌyo͞om/

   

   noun

   • 1. a space entirely devoid of matter. Similar empty spaceemptinessvoidnothingnessvacuityvacancyrare:voidnessnihility
   • ▪ a space or container from which the air has been completely or partly removed.
   • ▪ a gap left by the loss, death, or departure of someone or something formerly playing a significant part in a situation or activity: "the political vacuum left by the death of the Emperor" Similar gapspaceabsencelackdeficiencyblanklacunaOpposite continuity
   • 2. a vacuum cleaner. Similar vacuum cleanerinformal:vactrademark:Hoover

   verb

   • 1. clean with a vacuum cleaner: "the room needs to be vacuumed"

   Word Origin mid 16th century: modern Latin, neuter of Latin vacuus ‘empty’.

   Scrabble Points: 13

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2. People also ask

   What is a vacuum in physics?

   • (Inside Science) — A vacuum is a space absolutely devoid of matter, at least according to the Merriam-Webster dictionary. According to quantum physics, even vacuums are not completely empty. Constant fluctuations in energy can spontaneously create mass not just out of thin air, but out of absolutely nothing at all.

   What Does It Mean To Live In A Vacuum - WHYIENJOY

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   How does a vacuum cleaner work?

   • First, water is heated to above the boiling point to produce steam which is then applied with a powerful machine that resembles a vacuum cleaner. Once the heated water is injected into the fibers of your carpet or rug, brushes are used to scrub, agitate, and loosen the stains or dirt which are then lifted by powerful vacuum suction.

   How Does a Steam Cleaner Work on Carpet - August - 2022

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   How does an artificial vacuum work?

   • The easiest way to create an artificial vacuum is to expand the volume of a container. For example, the diaphragm muscle expands the chest cavity, which causes the volume of the lungs to increase. This expansion reduces the pressure and creates a partial vacuum, which is soon filled by air pushed in by atmospheric pressure.

   Vacuum - Wikipedia

   en.wikipedia.org/wiki/Vacuum

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3. www.merriam-webster.com › dictionary › vacuumVacuum Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › vacuum

   • Cached

   Learn the meaning of vacuum as a noun, verb, and adjective, with examples, synonyms, and etymology. Find out how to use vacuum in a sentence and how to cite it.

4. en.wikipedia.org › wiki › VacuumVacuum - Wikipedia

   en.wikipedia.org › wiki › Vacuum

   • Cached

   A vacuum ( pl.: vacuums or vacua) is space devoid of matter. The word is derived from the Latin adjective vacuus (neuter vacuum) meaning "vacant" or "void". An approximation to such vacuum is a region with a gaseous pressure much less than atmospheric pressure. [1]

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6. dictionary.cambridge.org › dictionary › englishVACUUM | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   Learn the meaning of vacuum as a noun and a verb, with synonyms, related words, and pronunciation. Find out how to use vacuum in physics, figuratively, and as a cleaner.

7. www.dictionary.com › browse › vacuumVACUUM Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › vacuum

   • Cached

   Vacuum definition: a space entirely devoid of matter.. See examples of VACUUM used in a sentence.

8. www.britannica.com › science › vacuum-physicsVacuum | Definition & Facts | Britannica

   www.britannica.com › science › vacuum-physics

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   Apr 25, 2024 · vacuum, space in which there is no matter or in which the pressure is so low that any particles in the space do not affect any processes being carried on there. It is a condition well below normal atmospheric pressure and is measured in units of pressure (the pascal). A vacuum can be created by removing air from a space using a vacuum pump or ...

   • Author: The Editors of Encyclopaedia Britannica

9. www.vocabulary.com › dictionary › vacuumVacuum - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › vacuum

   vacuum: 1 n an empty area or space “without their support he'll be ruling in a vacuum ” Synonyms: emptiness , vacancy , void Type of: space an empty area (usually bounded in some way between things) n the absence of matter Synonyms: vacuity Type of: emptiness the state of containing nothing n a region that is devoid of matter Synonyms: vacuity ...

10. www.thefreedictionary.com › vacuumVacuum - definition of vacuum by The Free Dictionary

    www.thefreedictionary.com › vacuum

    • Cached

    A vacuum is a space with no matter or very little matter, or a region with low pressure compared to the atmosphere. Learn more about the types, uses, and effects of vacuums from various sources and dictionaries.