vacuum


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vacuum

 [vak´u-um]
a space devoid of air or other gas.

vac·uum

(vak'yūm),
An empty space, one practically exhausted of air or gas.
[L. ntr. of vacuus, empty]

vacuum

/vac·u·um/ (vak´ūm) [L.] a space devoid of air or of other gas; a space from which the air has been exhausted.

vac·u·um

(vak'yūm)
An empty space, one practically exhausted of air or gas.
[L. ntr. of vacuus, empty]

vac·u·um

(vak'yūm)
An empty space, one practically exhausted of air or gas.
[L. ntr. of vacuus, empty]

vacuum,

vacuum

a space devoid of air or other gas.

vacuum collection
use of a handheld vacuum to recover ectoparasites from the coat of animals.
vacuum-dehydrated
freed of moisture while in a vacuum. Used in the packaging of food.
vacuum gauge
pressure gauge in a milking machine which indicates the level of vacuum in the system.
vacuum pack
meat or other perishable food is packed in a tightly sealed bag made of copolymers with polyvinyldene chloride and a low vacuum created. A bag made of nylon-polythene laminate is used for bags that are heat-sealed and a high vacuum created. The pack is then frozen for storage or shipment.
vacuum pressure
used as the basis of the modern milking machine; the negative pressure is generated by a vacuum pump and transmitted through metal and rubber pipes to the teat cups and thence to the teats; the continuous basic pressure is what keeps the teat cups on the teats; the periodic fluctuations is what causes the squeezing of the teat walls and the expulsion of the milk from the teats.
vacuum therapy
see cupping.
vacuum tube
many clinical pathology specimens are now collected in evacuated test tubes. A needle connected to the tube through a rubber stopper is passed into a vein. The needle is then connected to the vacuum and the blood or other fluid withdrawn.
References in periodicals archive ?
Operating Vacuum is the highest vacuum level a conveying system should pull during normal operation, and it's the basis for calculating the system's maximum conveying rate.
Open vacuum ports are effectively a leak in the system and increase energy use.
The heart of the new product is the "Multi ionization gauge SH2" unit which can measure ranges from a medium vacuum to a high vacuum.
Many manufacturers and processors are completely integrating industrial vacuum cleaners into production and process systems.
Just as the worried well caused a surge in ciproflaxin sales in 2001, many people outside of the exposed region will attempt to buy HEPA air cleaners and vacuums.
The effect of frequent vacuum cleaning on the house dust mite allergen, Der p 1 in carpets: a pilot study.
Calculations reveal that the energy stored in the vacuum is 120 orders of magnitude larger than the dark energy that cosmologists are positing.
Representatives from Eureka wowed the crowd with demonstrations of their new robotic vacuum.
Scope of the Report: The global vacuum grease market has been covered in detail in this report.
Recently introduced at VDTA 2014, this revolutionary new vacuum looks much like other robotic vacuums that have become a growing trend in recent years, especially the Roomba.
Request for Proposals: Vacuum station "f" booster pump