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 The needle is then connected to the vacuum and the blood or other fluid withdrawn.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 ?
It is also important to note that indicator species analyses revealed only a single tribe of Diptera as a common component of vacuum collections, whereas multiple genera across multiple orders were all commonly collected in sweep net samples.
The Ventrac Vacuum Collection System is perfectly suited for landscape contractors, municipalities, schools and universities as well as homeowners who need to maintain large acreages of property.
When a preset amount of liquid has accumulated in the sump, usually 10 gallons, the vacuum interface valve opens for a few seconds and the contents of the sump are pulled into the vacuum collection system.
The system also offer an optional vacuum collection system which aides in temperature control, reduces foaming, and containment of vapors and aerosols.
163/06 to rely supply glassware for laboratory use, vacuum collection system and miscellaneous laboratory needed to ruo of pharmacy of the university hospital consortium general hospital and john xxiii establishment of bari - cod .
These DOE, EPA, OSHA, and HUD-tested and approved tools utilize a mechanical, air-driven process that cleans surfaces to a bare substrate, while a high-efficiency particulate air (HEPA) filtered vacuum collection unit simultaneously captures dust and debris and transports it into an onboard 55-gallon drum.
Rather, our highly sensitive systems use vacuum collection to draw vapor from articles, such as luggage, briefcases, handbags and laptop computers, that may contain explosives.
Contract Awarded for Oem redfox environmental services system repair parts for the marine sanitation device and vacuum collection system