Definition of Vacuum

1. Noun. The absence of matter.

Exact synonyms: Vacuity
Generic synonyms: Emptiness



2. Verb. Clean with a vacuum cleaner. "Vacuum the carpets"
Exact synonyms: Hoover, Vacuum-clean
Generic synonyms: Clean, Make Clean
Derivative terms: Hoover, Hoover

3. Noun. An empty area or space. "Without their support he'll be ruling in a vacuum"
Exact synonyms: Emptiness, Vacancy, Void
Generic synonyms: Space
Derivative terms: Vacant, Void, Void

4. Noun. A region that is devoid of matter.
Exact synonyms: Vacuity
Generic synonyms: Part, Region

5. Noun. An electrical home appliance that cleans by suction.
Exact synonyms: Vacuum Cleaner
Terms within: Dust Bag, Vacuum Bag
Generic synonyms: Home Appliance, Household Appliance
Specialized synonyms: Hoover

Definition of Vacuum

1. n. A space entirely devoid of matter (called also, by way of distinction, absolute vacuum); hence, in a more general sense, a space, as the interior of a closed vessel, which has been exhausted to a high or the highest degree by an air pump or other artificial means; as, water boils at a reduced temperature in a vacuum.

2. n. A space entirely devoid of matter (called also, by way of distinction, absolute vacuum); hence, in a more general sense, a space, as the interior of a closed vessel, which has been exhausted to a high or the highest degree by an air pump or other artificial means; as, water boils at a reduced temperature in a vacuum.

Definition of Vacuum

1. Noun. A region of space that contains no matter. ¹

2. Noun. A vacuum cleaner. ¹

3. Verb. (transitive) To clean (something) with a vacuum cleaner. ¹

4. Verb. (intransitive) To use a vacuum cleaner. ¹

5. Noun. (rare chiefly Netherlands) (alternative spelling of vacuum#English vacuum) ¹

¹ Source: wiktionary.com

Definition of Vacuum

1. a space entirely devoid of matter [n VACUUMS or VACUA] / to use a device that cleans by suction [v -ED, -ING, -S]

Medical Definition of Vacuum

1. Origin: L, fr. Vacuus empty. See Vacuous. 1. A space entirely devoid of matter (called also, by way of distinction, absolute vacuum); hence, in a more general sense, a space, as the interior of a closed vessel, which has been exhausted to a high or the highest degree by an air pump or other artificial means; as, water boils at a reduced temperature in a vacuum. 2. The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.; as, a vacuum of 26 inches of mercury, or 13 pounds per square inch. Vacuum brake, a kind of continuous brake operated by exhausting the air from some appliance under each car, and so causing the pressure of the atmosphere to apply the brakes. Vacuum pan, a glass tube provided with platinum electrodes and exhausted, for the passage of the electrical discharge; a Geissler tube. Vacuum valve, a safety valve opening inward to admit air to a vessel in which the pressure is less than that of the atmosphere, in order to prevent collapse. Torricellian vacuum. See Torricellian. Source: Websters Dictionary (01 Mar 1998)

Vacuum Pictures

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Lexicographical Neighbors of Vacuum

vacuolation
vacuolations
vacuole
vacuoles
vacuolic
vacuolin
vacuolisation
vacuolization
vacuolizations
vacuome
vacuous
vacuously
vacuousness
vacuousnesses
vacutome
vacuum (current term)
vacuum-clean
vacuum-cleaned
vacuum-cleaning
vacuum-cleans
vacuum-packed
vacuum aspiration
vacuum bag
vacuum bomb
vacuum bottle
vacuum casting
vacuum chamber
vacuum cleaner
vacuum cleaners
vacuum curettage

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